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Make / Assembly / Box build & final assembly

Box build & final assembly 83 shops

ManufacturerWhereAlso doesSizeSmall runsQuality
Affinity Manufacturing LtdISO 9001 CNC machine shop in Metro Vancouver doing prototypes through production runs for clean tech, robotics, medical, optics and more. CA Surrey, British Columbia CNC milling, CNC turning, Welding & fabrication unknown Yes, stated ISO 9001
Aved (Lithion Battery Inc. brand)battery packs — custom Li-ion packs plus cable/harness and electro-mechanical box build, medical and robotics US Lowell, Massachusetts Cable & wire harness, Battery packs unknown Yes, stated ISO 9001
Circuits CentralGTA electronics manufacturer doing turnkey, consigned and hybrid PCB assembly, from single-board prototypes to production. CA Markham, Ontario PCB assembly (PCBA), Electronics design, Testing & certification unknown Yes, stated unknown
Cirtronicsbox build / electromechanical assembly — full-system builds (boards, subassemblies, final system integration, test), robotics and medical US Milford, New Hampshire — unknown Yes, stated ISO 9001
Custom Interface, Inc.box build / electromechanical assembly — cable and wire harness assembly, electromechanical subassemblies, box build (systems integration) US Bingen, Washington Cable & wire harness unknown Yes, stated ISO 9001
Derivados de Metal, S.A. de C.V. (DEMSA)Guadalajara maker of precision metal parts and assemblies (48+ years) focused on high-mix, medium/low-volume work, with a prototype and first-article service. MX Guadalajara, Jalisco CNC milling 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, PCB assembly (PCBA), 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 PCB assembly (PCBA), Cable & wire harness 10–49 people Yes, stated unknown
FictivPlatform: managed vetted partner network (US, China, India, Japan, Mexico) with instant CNC quoting and DFM feedback; not its own factories. US Oakland, California Injection molding, CNC milling, CNC turning unknown 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 PCB assembly (PCBA), Testing & certification unknown Yes, stated ISO (standard not named)
GeomiqPlatform: UK digital manufacturing platform routing CNC, molding, 3D printing, sheet metal, extrusion and die casting to partner factories (300+ European, 1,100+ worldwide per own page). GB CNC milling, CNC turning, Injection molding unknown Yes, stated unknown
GRT ElectronicsPCB assembly — automated SMT (01005 to 1100-pin BGA), turnkey, plus cable/harness and box build US Raleigh, North Carolina PCB fabrication, PCB assembly (PCBA), Cable & wire harness unknown Yes, stated ISO 9001
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 PCB assembly (PCBA), 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 PCB assembly (PCBA), Cable & wire harness 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 PCB assembly (PCBA), Testing & certification unknown Yes, stated unknown
Membrane Switch & PanelMembrane — membrane switches, printed conductive circuits, graphic overlays, final assembly and test US Costa Mesa, California — unknown Yes, stated ISO 9001
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 PCB assembly (PCBA), Electronics design, Testing & certification unknown Yes, stated ISO 9001
Performance Plastics Ltd.Scarborough injection moulder offering assembly, ultrasonic welding, decorating and additive manufacturing, prototypes to production. CA Scarborough, Ontario Injection molding, FDM printing unknown Yes, stated ISO 9001
Promark Tool and ManufacturingScarborough metal shop doing CNC, custom stamping, tool and die, sheet metal and electromechanical assembly, with prototype services. CA Toronto (Scarborough), Ontario CNC milling, Stamping, Sheet metal unknown Yes, stated unknown
Quality Cable Systems (QCS)Harness — custom wire harnesses, cable assemblies, box builds US Kansas City, Missouri Cable & wire harness unknown Yes, stated IPC/WHMA-A-620 (workmanship standard)
Rapid ManufacturingAnaheim contract manufacturer since 1976 for custom wire and cable harnesses, electro-mechanical and box-build assemblies, high-mix low-to-medium volume. US Anaheim, California Cable & wire harness unknown Yes, stated unknown
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 PCB assembly (PCBA) unknown Yes, stated ISO 9000 (1998, as stated)
Weldflow Metal ProductsMississauga sheet metal contract manufacturer: laser, turret punch, brake forming, welding, assembly, from prototype through production. CA Mississauga, Ontario Sheet metal, Laser cutting, Welding & fabrication unknown Yes, stated unknown
XometryPlatform: AI instant-quote marketplace that routes orders to a partner network of about 5,000 suppliers; not an in-house factory. US CNC milling, CNC turning, Swiss turning 250+ people Yes, stated ISO 9001
BYSCO / chinapcba.comPCB assembly through box build, with conformal coating listed as a standard capability CN Shenzhen, Guangdong PCB fabrication 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, PCB assembly (PCBA), ODM / turnkey unknown Yes, stated unknown
Huizhou Bohui Connection Technology惠州市博晖连接技术有限公司DVI/HDMI/USB/DP signal cables and docking stations/hubs — vertically integrated from copper conductor processing through wire extrusion, injection molding, and final assembly CN Huizhou, Guangdong Injection molding, Extrusion 250+ people Yes, stated unknown
Ningbo Zhongmao Precision Mould Technology宁波中茂精密模具科技有限公司Precision mold R&D and modern manufacturing integrated company; offers a one-stop pipeline from product appearance/structural design, 3D printing, hand-sample (手板) making, mold design, mold manufacturing, injection molding, spray-painting, silk-screen printing, through final assembly. Positions itself as helping clients secure design-patent and utility-model patents. CN Ningbo, Zhejiang Injection molding, FDM printing, Powder coat & paint 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, PCB assembly (PCBA), 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
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 PCB assembly (PCBA), ODM / turnkey unknown Yes, stated unknown
Shenzhen Bochuang Robot Technology深圳博创机器人技术有限公司Embodied/humanoid robot assembly, screw-locking automation, packaging robots, flexible production lines — full-line integration for robot OEMs, not a component maker. CN Shenzhen, Guangdong Foam & packaging 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 PCB assembly (PCBA) unknown Yes, 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 PCB assembly (PCBA), 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 PCB assembly (PCBA), 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 PCB assembly (PCBA), Cable & wire harness 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 PCB assembly (PCBA), Electronics design unknown not stated ISO 9001
MagnafabMAGNAFAB S de RL de CVMonterrey metal and plastic parts maker: laser cutting, CNC bending, stamping, CNC machining, powder coat, welding, plastic injection and assembly under one roof. MX Monterrey, Nuevo León Laser cutting, Sheet metal, Stamping 50–249 people not stated ISO 9001
MC MetalesGuadalajara-area sheet-metal contract shop: laser cutting, punching, bending, hardware insertion, welding and metal assemblies; ISO 9001:2015. MX Tlaquepaque, Jalisco Sheet metal, Laser cutting, Welding & fabrication unknown not stated ISO 9001
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, PCB assembly (PCBA) unknown not stated unknown
Qingdao Hetai Precision Industry Co., LtdQingdao sheet-metal fabricator (export arm of Qingdao Changlong Metalwork) for enclosures, welded assemblies and machinery parts. CN Qingdao, Shandong Sheet metal, Welding & fabrication, Laser cutting 50–249 people not stated ISO 9001
SJC EMS深圳 SJC EMS Technologiesturnkey PCBA, NPI, box build, functional test CN Shenzhen, Guangdong PCB assembly (PCBA), ODM / turnkey unknown not stated unknown
Sunburst EMSContract electronics manufacturer in Massachusetts with a cable division in Melbourne, Florida. US West Bridgewater, Massachusetts PCB assembly (PCBA), Cable & wire harness 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 PCB assembly (PCBA) unknown not stated unknown
Walking Solutions (WS Molding)Chihuahua shop since 1991 supporting maquiladoras: injection and blow mold building, plastic injection and blow molding, CNC machining of plastic and metal parts, dies and stamping, assembly. MX Chihuahua, Chihuahua Mold & tool making, Injection molding, CNC milling unknown not stated unknown
Xiamen MX Machining Co., Ltd.Small Xiamen CNC shop (milling, lathe, slow wire EDM) with design, test and assembly service. CN Xiamen, Fujian CNC milling, CNC turning Under 10 people not stated unknown
Xiamen Wiesel Technology Co., Ltd. (Wiesel Prototype)Xiamen product-development and tooling shop: custom plastic molds, die casting, rubber parts, rapid prototypes and assembly. CN Xiamen, Fujian Mold & tool making, Injection molding, Die casting unknown not stated unknown
Dongguan Boyi Precision TechnologySMT + through-hole + box build for overseas customers. CN Dongguan, Guangdong PCB assembly (PCBA) unknown not stated unknown
Dongguan Chuangda Zhicheng Technology Co., LtdTurnkey PCBA + box build with English site targeting overseas hardware OEMs. CN Dongguan, Guangdong PCB assembly (PCBA), ODM / turnkey unknown not stated unknown
Guangzhou EasyOn ElectronicsSMT PCBA plus box build with English site aimed at Kickstarter-scale hardware brands. CN Guangzhou, Guangdong PCB assembly (PCBA) 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 PCB assembly (PCBA), 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, PCB assembly (PCBA) 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 PCB assembly (PCBA), Displays, ODM / turnkey 10–49 people 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, PCB assembly (PCBA), Cable & wire harness 50–249 people 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, PCB assembly (PCBA), 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, PCB assembly (PCBA) Under 10 people not stated unknown
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, PCB assembly (PCBA) unknown not stated unknown
Shenzhen Absolute CircuitsSMT + PCBA + box build with English site aimed at OEM buyers. CN Shenzhen, Guangdong PCB assembly (PCBA) 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 PCB assembly (PCBA), ODM / turnkey 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 PCB assembly (PCBA), 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 PCB assembly (PCBA), ODM / turnkey 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 PCB assembly (PCBA), 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 PCB assembly (PCBA), ODM / turnkey unknown not stated unknown
Shenzhen Kaimingda ElectronicsSMT + PCBA + through-hole + box build with English trade page. CN Shenzhen, Guangdong PCB assembly (PCBA) 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 PCB assembly (PCBA), ODM / turnkey unknown not stated unknown
Shenzhen Lireach Sensing Technology深圳力驰传感技术有限公司6-axis force/torque sensors for collaborative robots, plus full robot hardware+software solutions combining sensors with AI algorithms — also builds its own cobot and a massage-robot product line. CN Shenzhen, Guangdong Sensors & lidar unknown not stated unknown
Shenzhen Onk Technology深圳市欧诺克科技有限公司DC/AC servo motors, brushless DC motors, and motion-control drivers/systems — general servo-motor house, established 2010. CN Shenzhen, Guangdong Motors & actuators 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 PCB assembly (PCBA), 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 PCB assembly (PCBA) unknown not stated unknown
Shenzhen Suntsu / MegaTech AssemblySMT + PCBA + box build for US/EU brands; English trade page. CN Shenzhen, Guangdong PCB assembly (PCBA) unknown not stated unknown
Shenzhen WinowSMT + PCBA + box build; English-facing site aimed at overseas OEMs. CN Shenzhen, Guangdong PCB assembly (PCBA) unknown not stated unknown
Shenzhen Yueqi TechnologyPCB fab and PCBA with English overseas trade page; SMT + THT + box build. CN Shenzhen, Guangdong PCB fabrication, PCB assembly (PCBA) 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, PCB assembly (PCBA), Magnets unknown not stated unknown
Suzhou Ruilin Automation苏州睿林自动化Harmonic reducers, RV reducers, miniature servo electric cylinders, electric grippers, humanoid dexterous five-finger hands, ZR-axis modules, rotary actuator (joint) modules, CNC rotary tables, plus integrated robot workstations (welding / handling-palletizing / assembly / spray-painting) CN Suzhou, Jiangsu CNC milling, Welding & fabrication, Motors & actuators 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, PCB assembly (PCBA), 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, PCB assembly (PCBA), ODM / turnkey 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 PCB assembly (PCBA), Motors & actuators, Compute boards & modules 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 PCB assembly (PCBA) 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, PCB assembly (PCBA), Compute boards & modules 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, PCB assembly (PCBA), Glass & optics unknown not stated unknown