MaglevMake
Make / Electronics / PCB assembly (PCBA)

PCB assembly (PCBA) 210 shops

ManufacturerWhereAlso doesSizeSmall runsQuality
ASC Sunstone CircuitsUS PCB fabricator with instant online quoting for quick-turn prototype boards, plus standard, flex and assembly services. US Mulino, Oregon PCB fabrication, Flex PCB unknown Yes, stated unknown
Bay Area CircuitsFactory (30,000 sq ft Fremont facility, plus EMS partners for assembly): quick-turn PCB fab, design and turnkey assembly with InstantDFM online pricing. US Fremont, California PCB fabrication, Electronics design unknown Yes, stated ISO (logo)
Circuits CentralGTA electronics manufacturer doing turnkey, consigned and hybrid PCB assembly, from single-board prototypes to production. CA Markham, Ontario Box build & final assembly, Electronics design, Testing & certification unknown Yes, stated unknown
Cirexx CircuitsSilicon Valley PCB layout, fabrication and assembly house aimed at high-reliability military, aerospace and space programs, with 24-hour quick turns. US Santa Clara, California PCB fabrication, Electronics design 50–249 people Yes, stated AS9100
Colorado PCB AssemblyPCB assembly — quick-turn prototype and low-volume SMT/through-hole assembly, turnkey components, DFA review US Centennial, Colorado PCB fabrication, ODM / turnkey unknown Yes, stated unknown
Eagle CircuitsPCB fab + PCBA + test in-house US Dallas, Texas PCB fabrication unknown Yes, stated unknown
EurocircuitsFactory (own European plants in Hungary and Germany): pooled PCB prototypes and small series plus assembly, with an online configurator and instant pricing. BE Mechelen, Antwerp PCB fabrication unknown Yes, stated unknown
FAB-9Quick-turn PCB fabrication and PCB assembly with mechanical box build, focused on high-layer-count boards for the semiconductor ATE industry; US office in San Jose, CA. VN Binh Hoa Ward (Dong An Industrial Park), Ho Chi Minh City (former Binh Duong) PCB fabrication, Box build & final assembly, Testing & certification unknown Yes, stated ISO 9001
Fabrique ManicSmall Québec electronics assembler doing SMT and through-hole batches plus rapid prototype assembly. CA Québec, Quebec Box build & final assembly, Cable & wire harness 10–49 people Yes, stated unknown
Fine Pitch MéxicoMonterrey-area electronics contract manufacturer doing SMT and THT assembly, test and full assembly, scaling from prototypes to volume. MX Guadalupe, Nuevo León Box build & final assembly, Testing & certification unknown Yes, stated ISO (standard not named)
Gorilla CircuitsPrivately held San Jose PCB design, fabrication and assembly house (since 2002) serving robotics, IoT, autonomy, defense and medical prototypes. US San Jose, California PCB fabrication, Electronics design unknown Yes, stated ISO 9001
Green CircuitsPCBA — quick-turn prototype and low-volume, six SMT lines US San Jose, California — unknown Yes, stated ISO 9001
GRT ElectronicsPCB assembly — automated SMT (01005 to 1100-pin BGA), turnkey, plus cable/harness and box build US Raleigh, North Carolina PCB fabrication, Box build & final assembly, Cable & wire harness unknown Yes, stated ISO 9001
Hughes CircuitsPCBA plus in-house bare-board fab — prototype and low-volume high-reliability, incl. flex/rigid-flex US San Marcos, California — 250+ people Yes, stated ISO 9001
Imagineering, Inc. (PCBnet)PCB fabrication and assembly supplier since 1986 with an online price calculator, prototype to production, single point of contact. US Elk Grove Village, Illinois PCB fabrication unknown Yes, stated ISO 9001
JayconFlorida product design and manufacturing firm: industrial design and engineering, prototyping, PCB assembly and injection molding with an online mold quote. US Palm Bay, Florida Injection molding, Mechanical design, Electronics design unknown Yes, stated unknown
KADLEDZapopan electronics assembler doing high-mix, low-volume PCB assembly (PTH and turnkey) with SPI/AOI/flying-probe/ICT test, alongside LED lighting, low-voltage panels and wastewater projects. MX Zapopan, Jalisco Box build & final assembly, Testing & certification unknown Yes, stated unknown
Karkhana.io (Bendable Technology Solutions Pvt. Ltd.)Electronics manufacturing services in Bengaluru: PCB assembly, wire harness, box build and product integration, aimed at hardware companies scaling from validated prototypes. IN Bengaluru, Karnataka Box build & final assembly, Cable & wire harness unknown Yes, stated ISO 9001
Lenthor Engineering (Fralock)Milpitas flex and rigid-flex circuit maker with quick-turn and assembly, now part of the Fralock family of companies. US Milpitas, California Flex PCB unknown Yes, stated ISO 9001
LionCircuitsOnline PCB fabrication and assembly service in India with instant online quoting and small prototype quantities. IN PCB fabrication unknown Yes, stated ISO 9001
M2S ÉlectroniqueQuébec City EMS (since 1981) doing PCB assembly, prototyping/NPI, box-build system integration and testing. CA Québec, Quebec Box build & final assembly, Testing & certification unknown Yes, stated unknown
Microart Services Inc.Markham EMS shop doing PCB layout, assembly, test and box build for quick-turn prototype to mid-volume customers. CA Markham, Ontario Box build & final assembly, Electronics design, Testing & certification unknown Yes, stated ISO 9001
Murrietta CircuitsPCB fab + PCBA — quick-turn prototypes to production, high-reliability US Anaheim, California PCB fabrication unknown Yes, stated AS9100
Ninja CircuitsPCB assembly — prototype and short-run SMT/through-hole assembly on rigid, flex and rigid-flex, full or partial turnkey, repairs US Mankato, Minnesota PCB fabrication, ODM / turnkey unknown Yes, stated "ITAR Registered" (https://www.ninjacirc
Odyssey ElectronicsPCB assembly — five SMT lines, through-hole, wave/selective solder, AOI and X-ray, conformal coating and potting, turnkey US Livonia, Michigan PCB fabrication, ODM / turnkey unknown Yes, stated ISO 9001
PCB PowerAhmedabad PCB maker with online ordering: rigid and flex PCB fabrication, stencils, component sourcing and assembly, no minimum order. IN Ahmedabad, Gujarat PCB fabrication, Flex PCB, Electronics design unknown Yes, stated unknown
PCB UniversePCB supplier with instant online quote covering prototypes through production, rigid, flex, rigid-flex and aluminium boards, plus turnkey assembly. US Vancouver, Washington PCB fabrication, Flex PCB unknown Yes, stated ISO 9001
PNC Inc.PCB fab + SMT assembly under one roof, high-mix low-volume prototypes US Nutley, New Jersey PCB fabrication unknown Yes, stated ISO 9001
PonokoFactory (Bay Area laser cutting centre plus facilities elsewhere): instant-price laser cutting/engraving, sheet metal and photochemical machining, with 3D printing, molding and PCBA. US Oakland (Bay Area), California Laser cutting, Sheet metal, SLA resin printing unknown Yes, stated unknown
RMF Design and Manufacturing Inc.Mississauga electronics design and manufacturing firm offering design, quick-turn prototype assembly and production. CA Mississauga, Ontario Electronics design, Testing & certification unknown Yes, stated ISO 9001
Ryhyueh Electronics Co., Ltd.日越電子有限公司Hsinchu PCBA house: SMT, DIP/selective soldering, conformal coating, PCBA test and assembly, from new-product trial production to mass production. TW Qionglin, Hsinchu County Box build & final assembly unknown Yes, stated ISO 9000 (1998, as stated)
Screaming CircuitsFactory: prototype and small-to-mid volume PCB assembly with instant online pricing for fab, parts sourcing and assembly; Milwaukee Electronics roots, partnered with ASC Sunstone. US PCB fabrication unknown Yes, stated unknown
Sierra Assembly TechnologyPCBA — quick-turn prototype to production SMT/TH, conformal coat, also harness US Chino, California Cable & wire harness unknown Yes, stated ISO 9001
Sierra Circuits (ProtoExpress)Factory: Silicon Valley quick-turn PCB fab and turnkey assembly with online instant quotes for standard and Turnkey PRO boards. US Sunnyvale, California PCB fabrication, Flex PCB, Electronics design unknown Yes, stated ISO 9001
Sunstone CircuitsFactory (two US facilities): quick-turn and standard PCB fab including HDI, UHDI, flex/rigid-flex and RF, stencils and assembly, with an instant online quote. US Mulino, Oregon PCB fabrication, Flex PCB unknown Yes, stated unknown
Suntronic Inc.PCBA — prototype and small-batch SMT, turnkey US Houston, Texas ODM / turnkey unknown Yes, stated ISO 9001
Surface Mount Solutions (SMS)PCBA — prototype and quick-turn assembly since 1998 US Santa Clara, California — unknown Yes, stated ISO 9001
Twisted Traces (sister: Accelerated Assemblies)PCB fab + quick-turn PCBA; Accelerated Assemblies at the same address does the assembly US Elk Grove Village, Illinois PCB fabrication unknown Yes, stated unknown
AdvancedPCB (formerly Advanced Circuits / 4PCB)Factory (US domestic manufacturing, plus offshore 'Global' option): quick-turn PCB prototypes with fixed-price specials, advanced HDI/flex/rigid-flex and turnkey assembly. US PCB fabrication, Flex PCB, Electronics design unknown Yes, stated AS9100
AIVONFast PCB prototypes and small-batch PCBA. Standard turnaround 24-72 hours. Supports FR-4, multilayer up to 32 layers, HDI, rigid-flex, aluminum, Rogers high-frequency. Free DFM review with every order. Publishes recurring "$35 super prototype" and "$75 small-batch power deal" promotions specifically targeted at hobbyists and hardware-startup founders. CN Hangzhou, Zhejiang PCB fabrication, Mechanical design unknown Yes, stated unknown
Andwin CircuitsMultilayer PCB manufacturing and turnkey assembly since 2003; "100% Quality Guarantee or Money back" positioning. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
Aozite (Shenzhen, PCBA + rapid iteration)Circuit board assembly and PCBA services; recommended for buyers who need fast iteration cycles. CN Shenzhen, Guangdong PCB fabrication unknown Yes, stated unknown
ChinaPCBA (division of Viasion Electronics)Turnkey and consigned PCB assembly — SMT, through-hole and mixed — through to complete product assembly, with burn-in and ageing test CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
Futaba Electronics (Huizhou)双叶电子器件(惠州)有限公司Wholly-owned Huizhou subsidiary of Japan's FUTABA Corp (est. 1948) — OLED/TFT-LCD displays, industrial/hobby RC radio systems, wireless modules, robot servo motors, and EMS/SMT contract manufacturing, explicitly marketing "多品种小数量生产体制" (multi-variety, small-quantity production system) CN Huizhou, Guangdong Displays, Motors & actuators 50–249 people Yes, stated unknown
Hangzhou Mingwo Electronic Components杭州明沃电子元件有限公司One-stop PCB + BOM + SMT service; 50 Siemens SMT lines, 25,000 sqm factory, daily capacity 98,000,000 placement points; supports HDI, impedance-controlled boards, plated-in-via holes; IATF16949 (automotive) and IATF13485 (medical) certified; SPI/AOI/X-ray inspection; provides stencils/solder paste; 1–20 layer PCB prototyping CN Hangzhou, Zhejiang PCB fabrication unknown Yes, stated unknown
Heltec AutomationLoRa, ESP32 and nRF modules and boards, built in their own SMT and assembly plant; also a Li-ion BMS development board CN Chengdu Wireless modules unknown Yes, stated unknown
Highleap ElectronicTurnkey PCB assembly with partial assembly and box-build services; SMT capacity to 6 million components/day; explicit "high-mix, low-volume production" positioning. CN Guangzhou, Guangdong PCB fabrication, Box build & final assembly, ODM / turnkey unknown Yes, stated unknown
Hitech CircuitsTurnkey electronics assembly including "prototype pcb assembly or low & high volume pcb assembly production" with component sourcing and testing. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
Huizhou Runyuan Electronics惠州市润远电子科技有限公司Toy, small-appliance, and car-charger PCBA — one-stop SMT+DIP+assembly explicitly aimed at "电子创客" (electronics makers) and small solution providers CN Huizhou, Guangdong — unknown Yes, stated unknown
JLCPCB深圳嘉立创科技集团股份有限公司The largest self-serve online PCB fab/assembly platform serving the global maker and startup market; tightly integrated with sister component distributor LCSC for BOM sourcing and EasyEDA for design — this integration is JLCPCB's core differentiator (design → BOM → fab → assembly in one pipeline). CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
PCBMASTER"Specialized in Complex PCB & PCBA Manufacturing" from prototype to mass production across FR-4, HDI, flexible, rigid-flex, and high-frequency boards. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
PCBONLINEPCB fab (HDI, flex, rigid-flex, aluminum, ceramic, high-frequency), SMT/THT assembly, box build, component sourcing, OEM/ODM; ISO 9001/14001, IATF 16949, UL. CN PCB fabrication, Box build & final assembly, ODM / turnkey unknown Yes, stated unknown
PCBsyncPCB fabrication and turnkey or consigned SMT/PTH assembly with in-line conformal coating, built to IPC-A-610 Class 2 and 3 CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
PeakingtechNPI (new-product-introduction) partner for Western hardware startups; full electronics + mechanical manufacturing (PCB/SMT/box-build, injection molding, sheet metal/CNC/die-casting) explicitly including a "Robotics & Automation" service line covering motion control and embedded systems. CN Shenzhen, Guangdong CNC milling, Sheet metal, Injection molding unknown Yes, stated unknown
Riverdi (embedded display module + small-batch PCBA, small-quantity friendly)TFT/OLED display modules with STM32 embedded, TouchGFX-supported evaluation kits; cited by chinawithme.com in the same breath as G-Tech as a 10-30 unit assembly option for founders bringing an embedded UI to production. CN Shenzhen, Guangdong Displays unknown Yes, stated unknown
Rongjie Zhikong (Shenzhen) Technology荣捷智控(深圳)科技有限公司Online-quoted PCB, FPC, stencil and SMT assembly with conformal coating offered as a quote-time option CN Shenzhen, Guangdong Flex PCB, PCB fabrication unknown Yes, stated unknown
Seeed Studio深圳市矽递科技有限公司The best-known "maker-to-manufacturer" bridge in Shenzhen. Three tiers of service sit on top of the same factory network: (1) **Fusion** — self-serve PCB/PCBA prototyping-to-mass-production (the original "no MOQ" PCB house that put Shenzhen fab access in front of Western hobbyists); (2) **Customization/ODM** — configurator-driven customization of Seeed's own reference platforms (Raspberry Pi/NVIDIA Jetson carrier boards, LoRaWAN/GPS trackers, industrial computers) with NRE + rework fees per customization item; (3) **OEM/ODM manufacturing partner for outside hardware brands** — full concept-to-mass-production (structural design, certification (FCC/CE/Telec), tooling, box build). This third tier is what makes Seeed a real contract manufacturer, not just a PCB shop — it is the arm that manufactures Hugging Face/Pollen Robotics' **Reachy Mini** and **Microduck** desktop robots. CN Shenzhen, Guangdong CNC milling, Mold & tool making, FDM printing unknown Yes, stated unknown
Shanghai Chiifa Electronic Technology上海驰法电子科技有限公司5 SMT lines, 2 DIP lines, 3 test/assembly lines (ICT, FCT, aging, thermal testing); handles 01005/0201/BGA/CSP components; 3D AOI inspection; IATF 16949 certified (May 2021); offers ODM solution design, material sourcing, conformal coating CN Shanghai, Shanghai Box build & final assembly, ODM / turnkey unknown Yes, stated unknown
Shanghai Mishuo Zhizao Electronics上海米硕智造电子有限公司One-stop PCBA (component selection → PCB fab → BOM sourcing → SMT → DIP → assembly → CNC → test); 3 fully-automatic high-speed SMT lines, daily capacity 350,000+ points; also runs own-brand product lines (BMS, energy storage, braking systems) CN Shanghai, Zhejiang CNC milling, PCB fabrication unknown Yes, stated unknown
Shanghai Youren Electronic Technology上海又仁电子科技有限公司SMT/PCBA plus IC decapsulation/reverse engineering and PCB copy-board services; 6x Panasonic high-speed pick-and-place machines, leaded + lead-free reflow and wave solder lines; ISO9001:2000 certified; min component 0201, handles BGA/CSP/Flip-Chip; daily SMT capacity ~3,000,000 points, auto-insertion ~2,000,000 points/day; PCB size range 50×50mm–460×400mm CN Shanghai, Shanghai CNC milling, PCB fabrication unknown Yes, stated unknown
Shenzhen Paiqi Nano Technology深圳市派旗纳米技术有限公司Nano conformal-coating subcontract service for finished PCBAs, dip-coating line, 0.1-10μm film CN Shenzhen, Guangdong — unknown Yes, stated unknown
Shenzhen STHL TechnologyEMS and PCBA for industrial automation, medical and telecom, through to box build and final integration CN Shenzhen, Guangdong Box build & final assembly unknown Yes, stated unknown
SVV Manufacturing (Shenzhen Valley Ventures)Low-volume, lean contract manufacturing and engineering services for hardware startups (medical devices, agriculture, sustainability, AI-integrated IoT); has at least one named robotics client (Robosense) in its portfolio. US Bantian, California — unknown Yes, stated unknown
TOPFAST PCBHigh-reliability PCB fabrication, SMT assembly, and turnkey PCBA with rapid turnaround; "2-Layer PCB Prototype in as fast as 24 Hours" positioning. CN Guangzhou, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
Viasion TechnologyLow- to medium-volume PCB fab, PCBA and contract electronics manufacturing — low volume is the stated focus, with a dedicated low-volume-assembly service page. CN Shenzhen, Guangdong PCB fabrication unknown Yes, stated unknown
Wonderful PCBOne-stop electronic manufacturing services — design, PCB fab, assembly, component sourcing — across multiple board types and industries. CN Shenzhen, Guangdong PCB fabrication unknown Yes, stated unknown
Zhuhai Sounds Electric珠海胜驰电气有限公司PCBA for home-appliance/smart-home control boards, power supplies, adapters, motor-control boards CN Zhuhai, Guangdong Motors & actuators, Compute boards & modules unknown Yes, stated unknown
深圳市比泰利电子有限公司 (Shenzhen Bitaili Electronics Co., Ltd / "7PCB")One-stop PCBA prototyping and small-batch production with a published 95%+ on-time rate for 48-hour sample turnaround; serves medical device, industrial control, instrumentation, and automotive electronics ("中高端电子组装行业"). CN Shenzhen, Guangdong Flex PCB, PCB fabrication unknown Yes, stated unknown
深圳市爵辉伟业电路有限公司 (Shenzhen Juehui Weiye Circuit Co., Ltd)High-precision multilayer PCB specialist (1–20 layers, up to 30 layers per capabilities page) with an 8-hour rush-ship claim; positions as a "source factory" (源头工厂) with 10+ years focused on high-reliability, long-life, complex/special-process PCBA. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown Yes, stated unknown
Agilian TechnologyContract EMS: PCBA, plastic injection molding, silicone compression molding, metal die casting, wearable tech and soft goods, industrial design, prototyping, DFM/DfX, IoT app dev. The stated pitch is "Western-owned ... develops, prototypes, & assembles electromechanical products" — one of the shops that founders and consultants specifically name when a US founder wants a Chinese contract manufacturer they can talk to in English with Western management practices. CN Shenzhen, Guangdong Injection molding, Die casting, Rubber & silicone unknown not stated unknown
AQSRapid prototyping, high-mix low-volume, NPI, high-volume and full turnkey PCBA/box-build. The go-to shop when Bunnie and Chibitronics needed a manufacturer willing to take on new-process work at startup volumes. CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Bluechips Microhouse Co., Ltd.German-owned EMS in Chiang Mai doing electronics design, SMT/COB assembly, box build and NPI for European customers. TH San Kamphaeng, Chiang Mai Box build & final assembly, Electronics design, Powder coat & paint unknown not stated ISO 9001
Cincaria Sdn BhdPenang contract manufacturer (est. 1997) for PCBA, box build, RF products and wire harnesses, plus sourced plastic, sheet-metal and cast parts. MY Penang Box build & final assembly, Cable & wire harness unknown not stated unknown
FS TechnologySMT (5 lines), THT/DIP (2 lines), BGA, PCB fab, prototyping, component procurement, one-stop turnkey; ISO 9001/14001/13485, IATF 16949, UL. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Gravitech Thai (Thailand) Co., Ltd.บริษัท กราวิเทค ไทย (ไทยแลนด์) จำกัดThai turnkey EMS: PCB design and manufacturing, PCBA assembly and test, and R&D/prototype support from concept to production. TH Khlong Luang, Pathum Thani PCB fabrication, Electronics design unknown not stated ISO 9001
Guangzhou Dingchang Electronics Co., Ltd. | 广州定昌电子科技有限公司Android/Linux/X86 mainboard R&D, SMT and PCBA manufacturing; DC-C576 core board, DC_COB576A B2B core board, DC_A576 mainboard and M576 open-source RK3576 dev board CN Guangzhou, Guangdong Compute boards & modules unknown not stated unknown
iPCB Circuits LimitedPCB fab and PCBA; explicit IPC Class III capability ("selectable based on customer requirements"); conformal coating referenced as part of assembly; industrial temperature range PCB supported; 24-hour tech support, 1-hour engineering response CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Kaltech Sdn BhdPenang EMS company since 1988 doing product R&D, DFM, PCB assembly and box build, mainly for automotive suppliers. MY Simpang Ampat, Penang Box build & final assembly, Electronics design unknown not stated ISO 9001
MKTPCBPCB fabrication and PCBA (certifications page linked but content not on the homepage extract) CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
OrinewPCB深圳 Orinew(Chinese legal name not printed on site)PCB fab, SMT/THT, box build, functional test, first article inspection CN Shenzhen, Guangdong PCB fabrication, Box build & final assembly unknown not stated unknown
PCB HEROturnkey PCB/PCBA manufacturing; self-positions as "Partner of Startups & Campaigns"; PCB fabrication, assembly, design, reverse engineering CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
PCB168PCB manufacturing and PCBA; ISO 9001, ISO 14001, UL Certified, RoHS CN PCB fabrication unknown not stated unknown
PCBElecPCB fabrication and PCBA; "leading PCB manufacturing & PCB assembly manufacturer and supplier in China" since 2005; RoHS compliant CN PCB fabrication unknown not stated unknown
PCBSino / Shenzhen HDI PCB manufacturingHDI PCB fabrication and PCBA with high-reliability capability; IPC 6012 Class 3/3A, AS9100, ISO 9001:2008, MIL-PRF-31032, MIL-PRF-55110, ITAR-registered, DoD contracts; impedance control and high-speed production CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
PCBSkyPCB fab and PCBA; ISO 9001:2008, IATF 16949, ISO 13485, UL, SGS; ISO 14000; RoHS compliant; volumes 1 to 1 million pcs listed CN PCB fabrication unknown not stated unknown
PCBTokPCB fab and PCBA meeting IPC Class 2 or Class 3; "no minimum order quantity is limited even 1 piece"; Functional Validation Test fixture listed among equipment CN PCB fabrication unknown not stated unknown
Pioneer CircuitsFlex and rigid-flex circuit maker for aviation, defense and space, with flex and rigid PCBA. US Santa Ana, California Flex PCB, PCB fabrication unknown not stated AS9100
Rocket PCB Solution Ltd.火箭PCBturnkey PCBA and PCB fab; IATF 16949 (automotive), AS9100 (aerospace), ISO 13485 (medical), ISO 9001/14001, UL, IPC Class 2 and Class 3; "no MOQ requirements" stated on site CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Shanghai PanelMate Electronics Co., Ltd. / 上海亿耀电子有限公司Embedded industrial displays, industrial panel PCs, arm-mounted operation panels, industrial computers. **Sheet metal + aluminum die-casting + SMT in-house on the same production line.** 150+ standard proprietary products. ISO9001. Product mix includes EtherCAT industrial-control tech. CN Shanghai, Shanghai Sheet metal, Die casting, Displays unknown not stated unknown
Shanghai XiangWang (XW) Electronics Equipment Co., LtdPCBA for industrial electronics; IATF 16949, selective conformal coating with material selection and thickness control, optional burn-in testing; 4000 sq m PCB capacity, 30+ engineers, 18 years, 400+ customers in 30+ countries CN Shanghai, Shanghai PCB fabrication unknown not stated unknown
Shenzhen ACE Electronics Co., Ltd.turnkey PCBA for automotive electrification (inverters, chargers, BMS); IATF 16949:2016, ISO 9001:2015, ISO 13485:2016, ISO 14001:2015, UL Listed, RoHS, ESD protected; conformal coating available CN Shenzhen, Guangdong ODM / turnkey unknown not stated unknown
Shenzhen Andersheng Technology Co., Ltd深圳市安德胜科技有限公司SMT and PCBA; "research and development sample patches from 1 piece" (very low prototype minimums stated); OEM/ODM CN Shenzhen, Guangdong ODM / turnkey unknown not stated unknown
Shenzhen Baiqiancheng Electronic Co., Ltdturnkey PCBA and PCB fabrication; ISO 9001, ISO 13485, ISO 14001, IATF 16949, CE, UL, FDA, SMETA; two facilities with "complete assembly and conformal coating capabilities"; 100% AOI/SPI inspection CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Shenzhen Tianditong Electronics Co., Ltd深圳天地通电子(English name from site; Chinese name inferred from pinyin, unconfirmed)one-stop PCBA, MOQ 5 pcs on its Made-in-China store CN Shenzhen, Guangdong — unknown not stated unknown
SJC EMS深圳 SJC EMS Technologiesturnkey PCBA, NPI, box build, functional test CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Sunburst EMSContract electronics manufacturer in Massachusetts with a cable division in Melbourne, Florida. US West Bridgewater, Massachusetts Cable & wire harness, Box build & final assembly unknown not stated ISO 9001
Tecoo Electronics Co., Ltd温州(Yangtze Delta fallback, outside GBA)PCBA, box build / system assembly, functional testing CN Wenzhou, Zhejiang Box build & final assembly unknown not stated unknown
Venture Electronicsturnkey PCBA; explicit "no minimum order quantity (MOQ)"; conformal coating production line listed in equipment; programmable temperature and humidity chamber and thermal shock chamber (-65 to 150 C / -80 to 200 C) for reliability testing CN Shenzhen, Guangdong ODM / turnkey unknown not stated unknown
深圳市小铭工业互联网有限公司Xiaoming Prototypingsmall-batch SMT prototyping (1 to 50 sets), component sourcing, PCB prototyping CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
ALLPCBSMT PCB assembly service under a "Crack-Team Quality Management System," positioned as a broad industry-serving one-stop PCB/PCBA vendor. CN CNC milling, PCB fabrication unknown not stated unknown
APTPCBNPI-first PCB fab and PCBA. Runs small-batch NPI on production-grade lines specifically to surface DFM/DFA/test issues early; publishes prototype-vs-mass-production comparison writeups and DFM/DFA workflow guides that read like an NPI consultancy. CN PCB fabrication, Mechanical design unknown not stated unknown
BigTreeTech / BIQU深圳市碧曲科技有限公司Started as a 3D-printer mainboard brand (BIGTREETECH) and has since spun up **"BTT Fusion"** — an explicit Seeed-Fusion-style agile-manufacturing/PCBA service offered to outside hardware teams, not just BIGTREETECH's own products, with a stated complimentary DFM review on every order. CN Shenzhen, Guangdong Mechanical design, Compute boards & modules Under 10 people not stated unknown
BreezeAI-hardware engineering and manufacturing partner covering electronics, enclosure, firmware, and packaging from concept to production; positions itself against high-MOQ incumbents. CN Shenzhen, Guangdong Foam & packaging, Enclosures, Electronics design unknown not stated unknown
CircuitHubAutomated small-batch PCBA — claims 81% of full-turnkey orders ship within 3 days. Named by Formlabs as their prototyping partner. Customers include Tesla, NASA, Zipline. **Recorded here as a benchmark/competitor**, not a bay2bay pitch target, because founders often ask "why not just CircuitHub?" and we need the honest answer on the record. US South Deerfield, Massachusetts ODM / turnkey unknown not stated unknown
Dongguan Boyi Precision TechnologySMT + through-hole + box build for overseas customers. CN Dongguan, Guangdong Box build & final assembly unknown not stated unknown
Dongguan Chuangda Zhicheng Technology Co., LtdTurnkey PCBA + box build with English site targeting overseas hardware OEMs. CN Dongguan, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Dongguan Minyue Transmission Technology东莞民悦传输技术有限公司Connector manufacture — USB, DC power jacks, HDMI, mini-USB, in SMT and DIP mountings CN Dongguan, Guangdong — unknown not stated unknown
Dongguan RayFast Electronics Co., LtdDongguan SMT + PCBA with English trade page targeting overseas OEM buyers. CN Dongguan, Guangdong — unknown not stated unknown
Dongguan Yehuo Electronic Technology (EmbedFire)东莞野火电子技术有限公司MCU, MPU and FPGA boards, Rockchip core boards, camera and MIPI touch modules, with a turnkey PCBA and BOM-optimisation service CN Dongguan, Guangdong ODM / turnkey, Compute boards & modules unknown not stated unknown
Elecrow深圳市易科诺科技发展有限公司Turnkey PCBA + finished-product manufacturing squarely aimed at makers and small hardware brands, with strong emphasis on its own open-hardware product catalog (ESP32 boards, displays, Meshtastic/LoRa devices) alongside contract assembly — positions itself as "mid-to-high quality PCBA manufacturing and sourcing" for clients in 150+ countries. CN Shenzhen, Guangdong CNC milling, Injection molding, FDM printing unknown not stated unknown
EPB Technology (EverPlus Battery)中文名 unconfirmedCustom lithium-ion battery packs, portable power stations, residential/commercial energy storage CN Shenzhen, Guangdong CNC milling, Sheet metal, Injection molding 50–249 people not stated unknown
EPEC / EPEC-Assemblyrigid-flex and flex PCB fab + assembly with English project managers — the flex-PCB channel for robots with tight bend-radius wiring like dexterous hands and finger tactile arrays; higher-cert than PCB-shop-tier vendors CN Guangzhou, Guangdong Flex PCB, PCB fabrication 50–249 people not stated ISO 9001
FastPCBAquick-turn PCBA with English project managers and BOM optimization service; positioned between the pure-web self-serve tier and full-EMS. Handles 5–500 pc runs with parts sourcing. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated ISO 9001
Foshan Feibang ElectronicsSMT PCBA with English trade page; Foshan expands the GBA pool beyond Shenzhen for cost-competitive small-run PCBA. CN Foshan, Guangdong — unknown not stated unknown
FX PCBFull-service PCB and PCBA supplier specializing in rigid, flexible, and specialty circuit boards with fast turnaround and worldwide delivery. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
G-Tech (small-batch PCBA)Small-batch PCBA specialist, cited by long-form "prototype in Shenzhen" writer at chinawithme.com as a 10-30 unit assembly-labour shop. CN Shenzhen, Guangdong — unknown not stated unknown
Grepow深圳市格瑞普电池有限公司Custom lithium battery packs (LiPo, LiFePO4, semi-solid-state, high-discharge-rate cells) engineered specifically for robotics power systems, including a dedicated "Robotics" solutions page covering humanoid robots; also serves drone/FPV, RC, and consumer battery markets. CN Shenzhen, Guangdong Battery packs, ODM / turnkey unknown not stated unknown
Guangzhou Cirket Electronic Technology Co., LtdEMS + PCBA + cable assembly for overseas OEMs; Guangzhou base with English export team. CN Guangzhou, Guangdong Cable & wire harness unknown not stated unknown
Guangzhou EasyOn ElectronicsSMT PCBA plus box build with English site aimed at Kickstarter-scale hardware brands. CN Guangzhou, Guangdong Box build & final assembly unknown not stated unknown
Guangzhou Nod Electronics广州市诺的电子有限公司Industrial PCBA EMS with two dedicated conformal-coating lines, ICT/FCT test and final assembly under one roof CN Guangzhou, Guangdong Box build & final assembly, Compute boards & modules unknown not stated unknown
Hangzhou Xunde Electronics杭州迅得电子有限公司PCBA/SMT — prototype assembly, SMT/BGA, THT, mixed assembly, COB/POP/SIP, FPC install, finished-product assembly; 01005/0201/BGA/CSP capable; ISO9001, IATF16949, IPC TM-650, UL, RoHS certified; serves medical, automotive, telecom, industrial control, IoT lighting CN Hangzhou, Zhejiang Flex PCB, PCB fabrication, Box build & final assembly unknown not stated unknown
Hemeixin ElectronicsHDI with blind/buried microvias, rigid-flex, flexible circuits, high-frequency boards; positions on "fast turn time prototype and short run PCB Assembly". CN Shenzhen, Guangdong Flex PCB, PCB fabrication unknown not stated unknown
HilPCBSmall-batch PCBA (10–5,000 units) with BGA down to 0.25mm pitch, DFM/DFT reviews, and 3-10 day quick-turn. Explicitly positions the same process gates for prototype/NPI as for mass production, with claimed first-pass yield >98%. CN Shenzhen, Guangdong Mechanical design unknown not stated unknown
Huizhou CTT Technology (Yonghui)惠州永惠科技有限公司One-stop EMS — PCBA, assembly, packaging, warehousing/logistics for consumer electronics, IoT modules, smart-home, industrial, and automotive electronics CN Huizhou, Guangdong Foam & packaging, Enclosures, Testing & certification 250+ people not stated unknown
Huizhou Yusen Electronic Technology Co., Ltd惠州市钰森电子科技有限公司PCBA control board design, MCU programming, PCB development, OEM/ODM CN Huizhou, Guangdong PCB fabrication, ODM / turnkey, Compute boards & modules unknown not stated unknown
Huizhou Zhongjing Electronics Technology Co., LtdSMT PCBA aimed at overseas small brands; English trade page. CN Huizhou, Guangdong — unknown not stated unknown
ITEAD Studio (Sonoff)Smart-home/IoT hardware (Sonoff brand) manufactured at scale; one of the older Shenzhen maker-to-manufacturer stories, with public factory-tour coverage documenting an actual production floor (not just a trading company). CN Shenzhen, Guangdong Box build & final assembly, Displays, ODM / turnkey 10–49 people not stated unknown
JarnisTechPCB fab (4 to 60 layers), SMT and THT assembly, 24-hour prototyping, rapid mass production, components sourcing; ISO 9001:2015, IATF 16949, UL certified, RoHS, REACH, CQC; IPC-A-610 standard compliance for assembly; 3 manufacturing facilities (prototyping, assembly, large-scale) CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
JiaLiChuang / LCSCelectronic parts distribution paired with JLCPCB — not itself a PCBA vendor, but included because when a founder builds against LCSC BOMs the entire supply pipeline is Chinese and English support becomes critical. Doubles as a proxy indicator of what parts JLCPCB will actually stock and place. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Kingford PCBFull PCB manufacturing plus assembly with in-house SMT/DIP, component procurement, and finished-product testing; startup-friendly no-MOQ line. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
KKPCBPCB design, fabrication, assembly, testing for Flex, Rigid-Flex, RF/Microwave, HDI, rigid multilayer, and ATE test boards. Explicit small-to-medium batch positioning with high-precision/high-reliability focus. CN Shenzhen, Guangdong PCB fabrication, Electronics design unknown not stated unknown
Komaspec (Shanghai + Shenzhen contract manufacturer)Sheet metal, welding, machining, coating, assembly + electromechanical products. Publishes a heavily-referenced English blog (komaspec.com/blog) with lists of top Chinese contract manufacturers, EMS providers, and NPI guides. CN Shenzhen, Guangdong CNC milling, Sheet metal, Welding & fabrication unknown not stated unknown
MacroFab (Houston-based, cloud PCBA)Cloud-first PCBA for hardware startups. Slick multi-revision dashboard. Founded ~2015, seed-funded by TechStars/YC-adjacent investors. Same benchmark role as CircuitHub — if a founder mentions MacroFab they are asking about US alternatives to a Shenzhen quote. US Houston, Texas — unknown not stated unknown
MakerfabsTurnkey PCB assembly from prototyping to mass production, express (2–4 day) PCB manufacture from 1 to 1,000 pcs. CN PCB fabrication, ODM / turnkey unknown not stated unknown
MOKO TechnologyIoT-focused EMS — positions itself specifically as a "strategic business partner" for IoT hardware companies (smart home, wearables, industrial automation) rather than a generic PCB shop; full-service from electronic design through box-build and supply-chain management. CN Shenzhen, Guangdong PCB fabrication, Box build & final assembly, Cable & wire harness 50–249 people not stated unknown
NexPCBFull-turnkey IoT/AI hardware: engineering acceleration (NTI), NPI, production, supply-chain and lifecycle management; electronics + mechanical; FCC/CE/RoHS/UL support. Self-describes as "Full Turnkey Product Realization Partner for Hardware Startups". CN Ningbo, Zhejiang ODM / turnkey unknown not stated unknown
NextPCB深圳市百特电子有限公司Turnkey PCBA including a "Rev0 no-touch PCBA" service specifically aimed at engineering teams that want to validate an early revision board without a lot of manual back-and-forth; runs a 15,000 m² SMT/PCBA facility. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
NOA LabsIndustrial design, mechanical/electronics/firmware/app engineering, prototyping, tooling, PCB/PCBA, mass production, supply chain, certifications (CE, FCC, UL, FDA, RoHS, REACH). Founded 2012 by German engineer Lech Alexander Murawski (HAX and Y Combinator alumnus, ex-co-founder of nexpaq, Makeblock, Senic). CN Shenzhen, Guangdong Mold & tool making, PCB fabrication, Electronics design unknown not stated unknown
OurPCBShenzhen factory is dedicated solely to standard PCB assembly services, running 8 YAMAHA SMT lines with AOI and X-ray inspection. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
PCB HERO"Turnkey PCB/PCBA Manufacturing Expert, Partner of Startups & Campaigns" (verbatim) — explicit startup + crowdfunding-campaign positioning is unusual and directly on-thesis for bay2bay's ICP. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
PCBAONLINETurnkey PCB assembly with in-house SMT and digital supply-chain management; positions itself for prototype-through-on-demand production. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
PCBAStoreBare PCB fab and PCB assembly under one roof, positioned for prototype through mass production; instant online quote, online tracking, live chat support. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
PCBCartPCB fab (rigid, flex, HDI, rigid-flex, aluminum, heavy copper) and turnkey PCBA. Founded 2005; serves 10,000+ companies across 80+ countries. Positioned by community writing as one of the earliest online-quote Chinese PCB houses accessible to Western founders. CN Hangzhou, Zhejiang PCB fabrication, ODM / turnkey unknown not stated unknown
PCBGOGOLow-cost quick-turn PCB fab plus turnkey PCBA aimed at the hobbyist/small-business segment, similar market position to JLCPCB/PCBWay. CN PCB fabrication, ODM / turnkey unknown not stated unknown
PCBMayBroad-capability PCB fab (up to 40 layers HDI) plus turnkey PCBA, including a dedicated high-volume PCB assembly line (8 automated SMT lines) alongside prototype-scale service. CN Shenzhen, Guangdong PCB fabrication, Mechanical design, ODM / turnkey unknown not stated unknown
PCBonline (pcb online limited)turnkey PCBA, PCB fab, box builds; ISO 9001:2015, ISO 14001:2015, IATF 16949:2016, RoHS, REACH, UL; explicit "all follow the IPC-A-610 standard" on assembly; no minimum order quantity CN Shenzhen, Guangdong PCB fabrication, Box build & final assembly, ODM / turnkey unknown not stated unknown
PCBWayBroad-capability PCB fab + assembly + CNC + 3D printing + injection molding "OEM/EMS" one-stop shop; strong reputation for responsive human-reviewed order QA and fast quoting even on odd/complex designs. CN Shenzhen, Guangdong CNC milling, Sheet metal, Injection molding 10–49 people not stated unknown
PeakingtechExplicitly positions itself as the NPI partner for hardware startups that established Shenzhen contract manufacturers won't take — its own marketing states most Shenzhen CMs are "optimized for volume — minimum order quantities in the hundreds or thousands," and Peakingtech was built as the counter-offer for founders below that volume threshold. CN Shenzhen, Guangdong Injection molding, PCB fabrication, Box build & final assembly Under 10 people not stated unknown
PoshtonPCBA and electronics assembly. Titoma's *primary* Shenzhen manufacturing partner. Known shipments include CleverPet's Connect Base pet toy, bed-wetting alert transceivers, wired/wireless alarm sets — the "small, weird, low-volume consumer thing" archetype that HAX/consumer-hardware founders bring to Shenzhen. CN Shenzhen, Guangdong — unknown not stated unknown
RayMing (RayPCB)Customized PCBA "one-step OEM service," positioned as a full assembly-board OEM provider rather than pure bare-PCB fab. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Rocket PCB SolutionTurnkey PCB assembly, SMT/THT/mixed/PoP, with in-house thermal-management PCB build (embedded coins, press-fit coin, metal inlay) CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Rush PCB / MacroFab-partner Chinese armsmall-batch PCBA with US-based DFM engineering support; used by Bay Area hardware startups. English-first because the sales side is US. CN Guangzhou, Guangdong PCB fabrication, Mechanical design unknown not stated ISO 9001
Shanghai Yicong Electronics上海熠聪电子科技有限公司PCB fab coordination (2–32 layers, multiple surface finishes incl. ENIG/gold fingers), SMT + PTH insertion + conformal coating + high/low-temp aging + test + box-build; 3x imported Japanese JUKI high-speed SMT lines + 1 Yamaha YS12 + lead-free wave solder; placement accuracy 0.01mm; min BGA pitch 0.4mm; min component 0201 CN Shanghai, Shanghai PCB fabrication, Box build & final assembly unknown not stated unknown
ShelmexNuevo León contract manufacturer (since 1996) building wire harnesses, cable assemblies and electronic assemblies, mostly for US customers; also offers shelter services. MX Guadalupe, Nuevo León Cable & wire harness 10–49 people not stated ISO 9001
Shenzhen Absolute CircuitsSMT + PCBA + box build with English site aimed at OEM buyers. CN Shenzhen, Guangdong Box build & final assembly unknown not stated unknown
Shenzhen Alpha & Omega Electronics Co., LtdEnglish trade page for PCBA + SMT + box build; frequent Made-in-China Gold Supplier listing. CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Shenzhen Bicheng Electronics Technology Co., LtdMulti-tier PCB fab with in-house SMT assembly; Alibaba Verified with English trade page. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Shenzhen ChinaPCBOneMultilayer, HDI, high-frequency PCB with turnkey PCBA; native-English site aimed at US buyers. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Shenzhen ChinesePCBOverseas-facing PCB + PCBA with English site. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Shenzhen EMSDIYContract manufacturing aimed explicitly at "small brand" and Kickstarter/Crowd Supply builders — English trade page and one of the recurring names in maker-community factory recommendations. CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Shenzhen ETCN (Everything China Network)English-first EMS aimed at overseas SMBs with box-build and full-turnkey options. CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Shenzhen Fastlink Electronics Co., LtdTurnkey PCB fab + assembly with fast-turn positioning and English trade page. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Shenzhen ForceASICPCBA and full-product manufacturing; English site; adjacency to ASIC design useful for founders bringing custom silicon to Shenzhen. CN Shenzhen, Guangdong — unknown not stated unknown
Shenzhen Fumax Technology Co., LtdPCBA + box build with English site; recurring recommendation in r/PrintedCircuitBoard for reasonable-MOQ overseas orders. CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Shenzhen Grande Electronic Co., LtdEnglish-facing PCB fab + PCB assembly with quick-turn positioning for overseas buyers. CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Shenzhen HillmanCurtis ElectronicsTurnkey PCBA + SMT box build with English trade page; positions itself at overseas SMB buyers. CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Shenzhen Hitop Industrial LtdEMS + PCBA aimed at industrial IoT and consumer IoT; English site. CN Shenzhen, Guangdong — unknown not stated unknown
Shenzhen Huagon Technology华工科技power CN Shenzhen, Guangdong — unknown not stated ISO 9001
Shenzhen JCeasypower Technologypower CN Shenzhen, Guangdong — unknown not stated UL
Shenzhen JYPCBFull PCB + PCBA turnkey positioned at overseas SMB electronics buyers; runs an English site distinct from JLC (dedupe checked — not the same entity). CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Shenzhen Kaimingda ElectronicsSMT + PCBA + through-hole + box build with English trade page. CN Shenzhen, Guangdong Box build & final assembly unknown not stated unknown
Shenzhen KingSheng Technology Co., Ltd深圳金晟科技有限公司PCBA and box build with conformal coating; ISO 9001, UL, CSA, CCC; turnkey and consignment assembly; options span below 50 pcs to over 1K pcs CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Shenzhen Megmeet Electrical深圳麦格米特电气股份有限公司Power electronics across display, LED, laser, **industrial control (工控电源)**, medical (external adapters, open-frame series, battery packs, PDU), communications and server power; also battery management boards and OEM assembly of complete units (光储整机OEM, 光储单板PCBA) CN Displays, Battery packs unknown not stated unknown
Shenzhen Omni PCB TechnologyTurnkey PCB assembly and SMT aimed explicitly at low-volume and startup work CN Shenzhen, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Shenzhen QYPCBRigid, flex, and rigid-flex PCB with SMT assembly; Alibaba Verified Supplier storefront with English trade-manager chat. CN Shenzhen, Guangdong Flex PCB, PCB fabrication unknown not stated unknown
Shenzhen Silkroad EMSSMT + through-hole assembly and box build for overseas OEM/ODM; English site aimed at US/EU buyers. CN Shenzhen, Guangdong Box build & final assembly, ODM / turnkey unknown not stated unknown
Shenzhen Sino EMS GroupEMS group offering PCBA and box build with English site; SMT + THT assembly. CN Shenzhen, Guangdong Box build & final assembly unknown not stated unknown
Shenzhen SixFabCellular IoT module + carrier board ODM (widely used by hardware startups building LTE/5G add-ons); English-native SF-fronted operation. CN Shenzhen, Guangdong ODM / turnkey, Compute boards & modules, Wireless modules unknown not stated unknown
Shenzhen SmartMore / SmartMore EMSTurnkey EMS aimed at overseas OEMs; English site with visible US-customer testimonials on the storefront. CN Shenzhen, Guangdong ODM / turnkey unknown not stated unknown
Shenzhen Standard GroupMultilayer PCB fab with in-house assembly and English export desk. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Shenzhen Suntsu / MegaTech AssemblySMT + PCBA + box build for US/EU brands; English trade page. CN Shenzhen, Guangdong Box build & final assembly unknown not stated unknown
Shenzhen Uniplatform Technology (Uniplatform EMS)English-facing EMS platform combining PCBA and component sourcing; positioned as "one-stop" for overseas OEMs. CN Shenzhen, Guangdong — unknown not stated unknown
Shenzhen Uniwell Circuits (WellPCB group)深圳市众阳电路科技有限公司PCB fabrication and SMT/THT assembly with in-house ICT and FCT fixture build CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Shenzhen WinowSMT + PCBA + box build; English-facing site aimed at overseas OEMs. CN Shenzhen, Guangdong Box build & final assembly unknown not stated unknown
Shenzhen Winsome TechnologyTurnkey PCBA with English site; recurring name in overseas SMT sourcing forums. CN Shenzhen, Guangdong ODM / turnkey unknown not stated unknown
Shenzhen Xunlong Software (Orange Pi)深圳市迅龙软件有限公司Rockchip and Allwinner ARM SBC, SoM and industrial board design with its own SMT lines and an OEM/ODM lane CN Shenzhen, Guangdong ODM / turnkey, Compute boards & modules unknown not stated unknown
Shenzhen Yueqi TechnologyPCB fab and PCBA with English overseas trade page; SMT + THT + box build. CN Shenzhen, Guangdong PCB fabrication, Box build & final assembly unknown not stated unknown
Shenzhen Zhaowei Dexterous Hand Technology (ZWHAND)深圳市兆威灵巧手技术有限公司Humanoid-robot dexterous hands (6/17/20 DOF product lines) integrating precision reducers, brushless hollow-cup motors, magnetic encoders and controllers — one of the more advanced Chinese dexterous-hand specialists, backed by a large listed parent. CN Shenzhen, Guangdong Injection molding, Box build & final assembly, Magnets unknown not stated unknown
Sierra Circuits Asiahigher-reliability PCBA than JLCPCB/PCBWay for robotics prototypes needing microwave/RF, HDI, or aerospace-grade layer stack-ups; English-first with US project managers CN Guangzhou, Guangdong PCB fabrication unknown not stated IPC 6012 Class 3
Smart PrototypingPCB manufacturing, PCBA assembly, prototyping services, and open-source-hardware maker modules (Zio and Qwiic brand). CEO/founder Alex Murawski (German MSc in Mechatronics). Adjacent to and sometimes conflated with NOA Labs in maker-community writing. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
Titan Circuitmid-volume PCBA with English project managers; positioned between JLCPCB and Sierra Circuits — cheaper than the latter, higher touch than the former. Suits 50–500 unit robotics runs. CN Guangzhou, Guangdong PCB fabrication, Box build & final assembly, ODM / turnkey unknown not stated ISO 9001
TopscomPCB fab, PCBA, electro-mechanical assembly, tooling, injection molding, stamping, die casting, box build, full system integration — full-stack under one roof. CN Shenzhen, Guangdong Stamping, Injection molding, Mold & tool making unknown not stated unknown
Topscom Industry CorporationContract electronics manufacturing, PCB assembly through turnkey box build and full system integration CN Shenzhen, Guangdong PCB fabrication, Box build & final assembly, ODM / turnkey unknown not stated unknown
WellPCBISO 9001 & IATF 16949-certified one-stop PCB manufacturing/assembly/wire-harness services. CN Shenzhen, Guangdong PCB fabrication, Cable & wire harness unknown not stated unknown
Zhongshan Sanjing Electronics Technology中山市三晶电子科技有限公司One-stop PCBA manufacturing CN Zhongshan, Guangdong — unknown not stated unknown
Zhongshan Sun Circuits Co., LtdPCB fab plus PCBA turnkey; English-first storefront for overseas OEM buyers. CN Zhongshan, Guangdong PCB fabrication, ODM / turnkey unknown not stated unknown
Zhuhai Zhihong Electronic珠海智宏电子有限公司PCB/FPC manufacturing including metal substrate, HDI (8-layer), rigid-flex, MCPCB, ceramic substrate, LED aluminum substrate; also does SMT processing CN Zhuhai, Guangdong Flex PCB, PCB fabrication unknown not stated unknown
Zunda Electronics (Huizhou)claims medical, automotive, drone, and smart-home electronics PCBA contract assembly CN Huizhou, Guangdong — unknown not stated unknown
捷嘉智造工业互联网(深圳)有限公司 (Jiejia Zhizao Industrial Internet (Shenzhen) Co., Ltd / "One-Stop-Mfg")**The most explicitly robotics-focused PCBA shop found in this research pass.** Has a dedicated "工业机器人PCBA" (industrial robot PCBA) product line covering robot wheel/leg drive boards, robot power-control boards, robot dexterous-hand ("灵巧手") PCBA, and robot linear-joint control boards — directly relevant to humanoid/legged robotics founders sourcing joint-drive electronics. Also covers industrial control PCBA (VFD/motor controllers, brushless motor boards, FFU fan controllers) and medical/automotive/consumer/smart-home PCBA. CN Shenzhen, Guangdong Box build & final assembly, Motors & actuators, Compute boards & modules unknown not stated unknown
深圳博运发电子PCB fab (own Jiangxi line) plus SMT factory, small-batch 包工包料 CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
深圳市一九四三科技有限公司 (Shenzhen 1943 Technology Co., Ltd)Explicit NPI (New Product Introduction) validation-first process — markets "1次NPI验证,加速30%一次性量产成功率" (one NPI validation cycle accelerates first-pass mass-production success rate by 30%); covers industrial control, IoT/communications, and medical device customers; has a dedicated finished-product assembly line for multi-model mixed production. CN Shenzhen, Guangdong Box build & final assembly unknown not stated unknown
深圳市优勤电子有限公司 (Shenzhen Youqin Electronics Co., Ltd / "YQ-SMT")Self-describes as a 15-year EMS/PCBA partner specifically for small-and-micro enterprises ("服务于中小微企业"), emphasizing fast BOM quoting, fast new-product introduction, and short production cycles as its core differentiators. CN Shenzhen, Guangdong — unknown not stated unknown
深圳市全球威科技有限公司 (Shenzhen Quanqiuwei Technology Co., Ltd / "Global Wei Tech")Consumer-electronics-focused SMT/OEM shop with published case studies across Intel, Loongson (龙芯), Phytium (飞腾), Zhaoxin (兆芯), and Kunpeng (鲲鹏) chip platforms — signals real experience with domestic-CPU and mini-PC/motherboard-class consumer electronics manufacturing, plus repair/rework services. CN Shenzhen, Guangdong PCB fabrication, Box build & final assembly, Compute boards & modules unknown not stated unknown
深圳市宏力捷电子有限公司 (Shenzhen Honglijie Electronics Co., Ltd / greattong.com)One of the longer-established shops in this list (founded 1998, originally a PCB design/component trading business before adding SMT); two factories, 10 SMT lines, self-describes 1,000+ global customers over 22 years — a generalist PCBA house with security/automotive/medical PCB design case studies published. CN Shenzhen, Guangdong PCB fabrication, Electronics design unknown not stated unknown
深圳市快发智造科技有限公司 (Shenzhen Kuaifa Zhizao Technology Co., Ltd / "KF PCBA")"12 years focused on automotive [electronics]" per own homepage, with a full PCBA-solution-development-through-assembly pipeline aimed at helping clients go from R&D to production; offers a free PCB/SMT sample-prototyping upload service to lower the barrier for first-time customers. CN Shenzhen, Guangdong Flex PCB, PCB fabrication unknown not stated unknown
深圳市羚岳科技有限公司 (Shenzhen Lingyue Technology Co., Ltd / "LYEMS")19-year PCBA manufacturer offering full ODM/OEM alliance-partner services (product design, industrial design, software development, finished-product assembly) in addition to core PCBA — has served "100+ countries and regions" per own copy across communications, industrial control, energy, smart devices, and smart home design sectors. CN Shenzhen, Guangdong PCB fabrication, Foam & packaging, Mechanical design unknown not stated unknown
深圳市诚驰电路科技有限公司 (Shenzhen Chengchi Circuit Technology Co., Ltd / qkpcb.com)Has a specific published "工业机器人PCBA主板" (industrial robot PCBA mainboard) product category alongside industrial control, medical, automotive, and consumer electronics mainboards — another direct-relevance lead for robotics motherboard/control-board sourcing. CN Shenzhen, Guangdong Compute boards & modules unknown not stated unknown
深圳市靖邦科技有限公司 (Shenzhen Jingbang Technology Co., Ltd / cnpcba.cn)12-year PCBA placement shop with a specific published "机器人线路板PCBA" (robot circuit board PCBA) product line — one-stop OEM for robot PCB boards, positioned as a "20-year high-end custom one-stop service provider" (tenure claim inconsistent across pages — 12 vs 20 years — treat cautiously). CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
深圳市龙之杰电子 (Shenzhen Longzhijie Electronics / lzjpcb.cn)"自由定制" (free customization) positioning — explicitly advertises no minimum quantity ("一片起做,无数量限制") and supports customer-supplied-materials manufacturing (来料加工/代工代料); 1–40 layer capability including rigid-flex, HDI, metal-substrate, and ceramic boards. CN Shenzhen, Guangdong PCB fabrication unknown not stated unknown
深圳捷创电子科技有限公司 (Shenzhen Jiechuang Electronics Technology Co., Ltd / "JC-PCBA")IATF16949/ISO13485-certified PCBA with specific published capability write-ups on industrial robot control boards (thick-copper process + high-precision placement for robot joint/drive boards) and optical-module PCBs — one of the few shops in this list with explicit public content about robotics-joint-driver PCBA as a named use case. CN Shenzhen, Guangdong PCB fabrication, Box build & final assembly, Glass & optics unknown not stated unknown