Make / Component makers / Motors & actuators
Motors & actuators 91 shops
| Manufacturer | Where | Also does | Size | Small runs | Quality | ||
|---|---|---|---|---|---|---|---|
| Gear Motionsgears — custom spur, helical, bevel, worm, ground gears and gearboxes (Nixon Gear in Syracuse, Oliver Gear in Buffalo) | US Syracuse, New York | Gears | unknown | Yes, stated | unknown | ||
| Groschoppmotors — fractional-hp DC, brushless DC, AC and universal motors and gearmotors, modified and custom, built in-house | US Sioux Center, Iowa | Gears | 50–249 people | Yes, stated | ISO 9001 | ||
| H2W Technologiesmotion — linear motors, voice coil actuators, linear and multi-axis positioning stages, custom electromagnetic devices | US Santa Clarita, California | Motor & coil winding, Magnets | unknown | Yes, stated | ISO 9001 | ||
| Harmonic Drive LLCreducers — strain wave (harmonic) gearing, gearheads, hollow-shaft servo actuators; the category-defining robot-joint reducer | US Beverly, Massachusetts | Gears | unknown | Yes, stated | ISO 9001 | ||
| Midwest Motion Productsmotors — brushed and brushless DC planetary and right-angle gearmotors, brakes, encoders, 12-120 VDC | US Howard Lake, Minnesota | Gears, Sensors & lidar | unknown | Yes, stated | ISO 9001 | ||
| Precipartgearboxes and motion — custom miniature gears, gearboxes and gear motors (Farmingdale "Custom Gears & Motion Control" site) | US Farmingdale, New York | Gears | unknown | Yes, stated | ISO 9001 | ||
| Ultra Motionactuators — electro-mechanical linear and rotary servo actuators with integrated BLDC drive and absolute feedback, subsea variants | US Cutchogue, New York | — | unknown | Yes, stated | unknown | ||
| Venture Mfg. Co.actuators — electric linear actuators (DC, stepper, ACME screw), custom actuator design, plus in-house metal stamping | US Dayton, Ohio | Stamping | unknown | Yes, stated | ISO 9001 | ||
| Vybronics伊振達(香港)電子有限公司Vibration motors — coin/pancake ERM, SMD, cylindrical ERM and **LRA (linear resonant actuators)**, with FPC and leaded terminations | HK | Flex PCB | 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 | PCB assembly (PCBA), Displays | 50–249 people | Yes, stated | unknown | ||
| Guangdong Guiji Power (Silicon-Based Power)广东硅基动力有限公司Custom brushless DC motors and driver controllers for medical devices, smart-home appliances, automotive components and industrial equipment; explicitly offers small-batch sampling. | CN Shenzhen, Guangdong | — | unknown | Yes, stated | unknown | ||
| Jiangsu Dena Precision Bearing江苏德纳精工轴承有限公司Cross-roller bearings (bore to 180mm, OD to 800mm), slewing/turntable bearings, robot reducer bearings, deep groove ball bearings, cylindrical/tapered/spherical roller bearings, angular contact bearings; precision P4/P5, P2-grade turntable bearings also offered | CN Wuxi, Jiangsu | Testing & certification | 50–249 people | Yes, stated | unknown | ||
| Jiangsu Harmonic Bearing Technology江苏谐波轴承科技High-precision flexible/thin-section "flexspline" cross bearings specifically for harmonic reducers, covering frame sizes F8-F50 (including standard F14/F17/F20/F25/F32 sizes). Manufactures P2/P4/P5 precision grades; radial runout controllable within 3 microns, claimed on par with or better than imported bearings. Also makes custom/non-standard bearings in bearing steel, stainless steel, or armor-grade steel. | CN Wuxi, Jiangsu | CNC milling | 10–49 people | Yes, stated | unknown | ||
| LY iTECH / Lingyi iTech (Guangdong)广东领益智造股份有限公司Massive, publicly listed (SZ: 002600) precision-manufacturing group pivoting from phone/EV supply chains into humanoid-robot components and full ODM assembly — self-develops reducers, joint modules, dexterous hands, motors, sensors, thermal-management and charging systems, and also offers full ODM assembly for humanoid-robot OEMs. Delivered 5,000 humanoid units per company/press reporting (2025) and 200 general-purpose humanoids from its Chengdu base. LABELED BIG TIER-1 — realistically reachable only through a formal ODM/BD engagement, not cold outreach. | CN Shenzhen, Guangdong | CNC milling, Die casting, FDM printing | unknown | Yes, stated | unknown | ||
| Shanghai KGG Robots上海凯格机器人有限公司Miniature/precision ball screws (shaft diameter Φ1.4–20mm, lead 0.5–40mm, precision grades C3/C5/C7), planetary roller screws, linear motion guides (ball & roller types), linear actuators (HST, ZR-axis, RCP), stepper motors, linear motors, XY precision positioning stages (repeatability ±0.3μm) — positioned as a China-based competitor to HIWIN/PMI/THK in miniature motion components | CN Shanghai, Jiangsu | Battery packs | unknown | Yes, stated | unknown | ||
| Suzhou Gaersiwei苏州工业园区盖尔斯威智能科技有限公司Robot joint modules (KGU/EC/P-series) integrating self-developed frameless torque motors with harmonic/RV/planetary reducers and high-precision multi-turn absolute encoders; also distributes complementary Nabtesco RV reducers, Leaderdrive (绿的) harmonic reducers, and Shuanghuan RV reducers; catalog spans humanoid robots, quadruped "robot dog" platforms, medical robots, mobile robots, and semiconductor/electronics automation; example SKU: P85-S waterproof integrated joint; PRO-series lightweight joint claims one variant at 48N·m peak torque / 520g (92.3 Nm/kg torque density) | CN Suzhou, Jiangsu | Gears, Sensors & lidar | 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 | PCB assembly (PCBA), Compute boards & modules | unknown | Yes, stated | unknown | ||
| HiwonderHigh-torque serial bus servos, robotic arm kits (xArm, AiArm), hexapods, humanoid and mobile-robot kits, AI vision modules — bus servos are a common tabletop-robot actuation choice. | CN Shenzhen, Guangdong | — | unknown | not stated | unknown | ||
| Ningbo Crotor Technology Co., Ltd. / CROTOR (Chinese name not printed on the pages read)micro DC and gear motor maker, N20 encoder variants; ISO 9001, 3C, VDE, CB | CN Ningbo, Zhejiang | Gears, Sensors & lidar | unknown | not stated | unknown | ||
| Ningbo Zhenhai Bolang Metal Product Factory**Precision aluminum die-casting.** 25+ surface finishes, 100+ processing technologies. Products include auto parts housings, transmission components, machinery enclosures, motor housings, LED lighting housings. | CN Ningbo, Zhejiang | CNC milling, Die casting, Enclosures | unknown | not stated | unknown | ||
| Shenzhen Forman Precision Industry Co., Ltd. (FPIC) (Chinese name not printed on the pages read)industrial harness, servo and robot harness, drag-chain and M5 to M12 assemblies; ISO 9001/14001/13485/45001 and IATF 16949; prototype and small-batch stated | CN Shenzhen, Guangdong | Cable & wire harness | unknown | not stated | unknown | ||
| 深圳市华馨京科技有限公司 / FashionStar (Shenzhen Huaxinjing Technology)serial-bus servo design and manufacture (UART/TTL half-duplex, brushless and coreless lines); sells through own Taobao and 1688 stores | CN Shenzhen, Guangdong | ODM / turnkey | unknown | not stated | unknown | ||
| 深圳市科固技术有限公司 / Shenzhen Kegu Technology Co., Ltd.micro gear motors, N20 series with two-phase hall encoders | CN Shenzhen, Guangdong | Gears, Sensors & lidar | unknown | not stated | unknown | ||
| 深圳市科硕电机有限公司 / Shenzhen Keshuo Motor Co., Ltd.micro DC gear motors with own machining and mould shop; IATF 16949, ISO 13485, ISO 9001 shown | CN Shenzhen, Guangdong | CNC milling, Gears | unknown | not stated | unknown | ||
| CyberGear / Xiaomi Micromotor小米微电机 CyberGearlow-cost CAN-bus micro joint motor pioneered for humanoid/legged robotics hobby+prototype market; 12 V, ~120 g, planetary reduction; sold single-unit through Xiaomi's own store and mass-cloned by 1688 vendors | CN Shenzhen, Guangdong | Electronics design | unknown | not stated | unknown | ||
| DAMIAO / DM-Tech达妙科技quasi-direct-drive robot joint motors (DM-J4310, DM-J8009, DM-J8006 series); MIT Mini Cheetah style; CAN-FD; sold single-unit through Taobao and internationally via robotics distributors | CN Shenzhen, Guangdong | Enclosures, Sensors & lidar | unknown | not stated | unknown | ||
| DYD Motor Gearboxplanetary gearheads matched to NEMA17/23 steppers and small BLDCs; Chinese-price alternative to Wittenstein / Neugart for prototype robotics | CN Shenzhen, Guangdong | Gears | unknown | not stated | unknown | ||
| Ever-Power / Ever-Power Group (planetary gearboxes)precision planetary gearboxes matched to NEMA/IEC standard motor frames; also right-angle worm and cycloidal; very wide English catalog with online quoting | CN Hangzhou, Zhejiang | Gears | unknown | not stated | ISO 9001 | ||
| Feetech / FT Servo飞特科技intelligent serial-bus servos (STS/SCS/SM/SR series) — Dynamixel-alternative smart servos with feedback; used in the LeRobot SO-100 arm reference design and adopted broadly in low-cost teachable-arm and quadruped builds | CN Shenzhen, Guangdong | Magnets, Sensors & lidar | unknown | not stated | unknown | ||
| Fulling Motor江苏富兴电机技术股份有限公司Sino-German-Swiss JV (founded 1994/2001) making full-range servo motors (FL38SV–FL110SV, ~100W up to 1500–2000W at 48V/220VDC), frameless motors, servo hub/wheel-edge motors, robot joint modules, plus stepper and BLDC motor lines; drivers include standalone and integrated driver+motor units | CN Changzhou, Jiangsu | Swiss turning, Gears, Sensors & lidar | unknown | not stated | unknown | ||
| HITBOT (Huiling-tech)海凌科机器人 / HITBOTSCARA robot arms, 4/6-axis collaborative robot arms, and electric grippers (parallel, rotary, 3-finger) plus linear actuators — a robot-arm-and-EOAT manufacturer with an existing OEM/ODM track record. | CN Shenzhen, Guangdong | ODM / turnkey | unknown | not stated | unknown | ||
| Innfos / INFOS Tech因时机器人integrated SCA (Smart Compliant Actuator) joint modules; developed originally for Xiaomi CyberDog-class quadrupeds; small-quantity sample program | CN Shenzhen, Guangdong | Sensors & lidar | 50–249 people | not stated | unknown | ||
| Jiangsu Wellrift Transmission Technology江苏威利福传动科技Precision planetary reducers — straight-tooth (WLF/WLE/WLFZ) and helical (AB/ABF/AD/ABR/ABFR/ADR) series; servo reducers; hollow rotary platforms (high rigidity, large load capacity, zero drift) for robot joints | CN Suzhou, Jiangsu | CNC milling, Gears | Under 10 people | not stated | unknown | ||
| Jiangsu Zhiyuan Jinggong江苏智远精工科技Precision planetary reducers — AB, ZPF, ZPX, PE, PX, ZPH series; servo planetary gearboxes; multi-section electric cylinders; also markets under the "德锐特/Deruite" brand | CN Wuxi, Jiangsu | Swiss turning, CNC milling, Gears | 50–249 people | not stated | unknown | ||
| Jiangxi Sitaiwei Automation Equipment (Steadywin)江西伺泰威自动化设备有限公司Robot joint motors — outrunner and inrunner brushless, frameless, hollow-shaft servo and gimbal motors, sold with driver boards and encoders | CN | Sensors & lidar | unknown | not stated | unknown | ||
| JK Motor / Jkongmotor深圳市金开电机有限公司stepper motors (NEMA 8/11/14/17/23/34) with matched planetary gearheads; hybrid steppers with encoders; small-quantity samples through Alibaba | CN Shenzhen, Guangdong | Gears, Sensors & lidar | unknown | not stated | CE claim on site (issuer unverified) | ||
| Jodell Robot (COBOTG)钧舵机器人Electric servo end-effectors: intelligent electric grippers, dexterous hands, and force-sensing technology for industrial automation — a leading Chinese EOAT brand with deep force-control IP. | CN Shenzhen, Guangdong | Sensors & lidar | unknown | not stated | unknown | ||
| Kegu Motorhybrid stepper motors, DC gear motors, BLDC gear motors; wide catalog, English site with datasheet PDFs; suits AGV drive-wheel and prototype robotics | CN Changzhou, Jiangsu | Gears | unknown | not stated | ISO 9001 | ||
| KittenBot广州艾比宝科技有限公司microcontroller-based robotics education kits and modular sensor/actuator ecosystem; own-brand micro:bit and RP2040 carrier boards, robot chassis and servo controllers; useful for founders building education-oriented robots | CN Guangzhou, Guangdong | Sensors & lidar, Compute boards & modules | unknown | not stated | CE | ||
| LaiFual来福谐波harmonic reducers competing with Nabtesco/Harmonic Drive; primary supplier to many mid-tier Chinese cobot builders; growing English distributor presence. Second-source alternative to Leaderdrive (already in manufacturers-yangtze-delta.md). | CN Hangzhou, Zhejiang | — | unknown | not stated | ISO 9001 | ||
| Leaderdrive绿的谐波China's largest harmonic-drive maker (~30-40% domestic market share); credited with breaking the Japanese HarmonicDrive/Nabtesco monopoly. Full strain-wave gear line (cup, flat/pancake, ultra-flat cup-shaped "LCD" flexspline) for robot joints, plus humanoid-robot rotary joint actuators, precision rotary (4th/5th-axis) tables, frameless servo motors, electro-hydraulic servo controllers. Public company, SSE STAR Market 688017.SH. | CN Suzhou, Jiangsu | CNC milling, Gears, Displays | 250+ people | not stated | unknown | ||
| Leide Servo雷德伺服技术（苏州）有限公司Permanent-magnet synchronous servo motors and AC induction servo motors, power range 3kW–75kW; targeted at plastic injection-molding machines, printing machinery, and textile machinery; also offers servo-hydraulic energy-saving retrofit systems for traditional hydraulic injection-molding machines | CN Suzhou, Jiangsu | CNC milling, Injection molding, Die casting | unknown | not stated | unknown | ||
| LimX Dynamics深圳逐际动力科技股份有限公司General-purpose humanoid and bipedal robots (LimX Oli, LimX Luna humanoids; TRON modular series; DreamActor biped) built on in-house hardware design, embodied-AI (COSA) and a training platform (VGM) — company-tagged in Chinese business databases as also engaged in harmonic reducers, joint modules and mobile platforms, suggesting some in-house component capability. | CN Shenzhen, Guangdong | Electronics design | unknown | not stated | unknown | ||
| Longze Intelligent Transmission Technology (Shenzhen)龙泽智能传动科技(深圳)有限公司Precision planetary reducers / planetary gear reducers — dedicated gearbox manufacturer. | CN Shenzhen, Guangdong | Gears | unknown | not stated | unknown | ||
| Moons' Industries (Shanghai)上海鸣志电器step and BLDC motors, integrated drives, precision gearing; Chinese motor manufacturer with strong US presence (Marlborough MA office) and NEMA-standard steppers widely stocked. Broader than the LeRobot/DAMIAO crowd — this is the "grown-up" small-frame motor supplier once a founder needs 500+ units with QC pedigree. | CN Shanghai, Jiangsu | Gears | unknown | not stated | ISO 9001 | ||
| MOTECH Motorhybrid stepper motors, closed-loop stepper systems, brake steppers; wide English catalog; volume path for robotics steppers when founder outgrows Rtelligent/JK Motor | CN Changzhou, Jiangsu | Sensors & lidar | unknown | not stated | ISO 9001 | ||
| MyActuatorRMD-X planetary-gear actuators, RH harmonic actuators, frameless motors — sold for exoskeletons, AGVs, humanoids, quadrupeds; the joint-module class a tabletop-robot founder buys instead of building. | CN Suzhou, Jiangsu | Gears | unknown | not stated | unknown | ||
| Nandedrive南德谐波传动科技Harmonic gear reducers for industrial/collaborative/humanoid robots; servo-motor harmonic reducers (positioned to replace 2nd/3rd-stage planetary reducers); smart integrated joints; e-scooter mid-drive units; AGV harmonic reducers. Proprietary "IA" tooth profile solves high-tooth gear-meshing interference; claims 40-60% simultaneous tooth engagement. | CN Suzhou, Jiangsu | Gears | unknown | not stated | unknown | ||
| Nanotec Guangzhoubrushless DC motors, stepper motors, plug-and-drive integrated motors, high-quality Western engineering with China price/lead-time on some SKUs. Kept because English datasheets/quotes are excellent and Guangzhou can service GBA prototype orders. | CN Guangzhou, Guangdong | Motor & coil winding | 250+ people | not stated | CE | ||
| OpenELABNot a factory. Stocks 1,700+ maker/robotics modules and is an official distributor for Unitree, Orbbec, Robosense, Leadshine, Robstride, SteadyWin, Damiao, Cubemars, Elephant Robotics, Yahboom, and Wheeltec. Strategic partner with M5Stack, Lilygo, Seeed Studio, Waveshare. Listed as the Western reseller pipeline for several China-only actuator makers already in this directory (SteadyWin, Elephant Robotics, Hiwonder, Yahboom — all mfg-s3-*). | CN Shenzhen, Guangdong | — | unknown | not stated | unknown | ||
| Qiandeyi / ATG仟德亿传动科技（苏州）ATG-brand precision planetary reducers (PGF/PGH/PGFR/PGRH 90 series, single/double stage), harmonic reducers, RV/cycloidal joint reducers (e.g. HRV 110E — integrated angular bearing for higher rigidity/load, near-100% continuous cycloid/pin mesh for large shock capacity and small backlash), hollow rotary platforms | CN Suzhou, Jiangsu | — | unknown | not stated | unknown | ||
| RobotDiggMotion components for machine builders — BLDC servo motors with integrated driver, encoder and planetary gearbox, stepper motors with encoders, grippers | HK | CNC milling, Gears, Sensors & lidar | unknown | not stated | unknown | ||
| RobstrideBeijing Robstride Technologyquasi-direct-drive joint motors (Robstride 00/01/02/03 series) targeted at humanoid and quadruped builders; sub-$300 per joint with integrated planetary reducer + encoder + driver; direct competitor to DAMIAO and CyberGear in the sub-$500 joint tier | CN Beijing | Sensors & lidar | unknown | not stated | unknown | ||
| Rtelligent深圳市锐特智能机电有限公司closed-loop stepper motor drivers and integrated stepper-driver units; EtherCAT stepper drivers; also low-cost BLDC drivers. Sold through English-speaking distributors including in the US. | CN Shenzhen, Guangdong | — | 50–249 people | not stated | CE | ||
| Sha Yang Ye IndustrialMicro gear motors, precision planetary and worm gearboxes, encoders and drivers | TW | Gears, Sensors & lidar | unknown | not stated | unknown | ||
| Shanghai Lingkong Technology (LKMotor)上海瓴控科技有限公司Brushless motors with integrated reduction and encoders, sold OEM/ODM | CN Shanghai, Jiangsu | ODM / turnkey, Sensors & lidar | unknown | not stated | unknown | ||
| Shenzhen Chinadream Motor Technology深圳市国梦电机科技有限公司Brake-by-wire and automotive-grade actuator motors (EHB, EPB, EPS, AMT shift actuators, pump motors) — precision actuator motor maker; adjacent to robotics via its high-reliability geared-motor manufacturing. | CN Shenzhen, Guangdong | Gears | unknown | not stated | unknown | ||
| Shenzhen Constar Motion Technology深圳市德达兴驱动科技有限公司DC hollow-cup brushless geared servo motors — precision small-actuator motors used in robot joints and grippers. | CN Shenzhen, Guangdong | Gears | unknown | not stated | unknown | ||
| Shenzhen Hengdrive Technology深圳恒驱技术股份有限公司BLDC motors, hollow-cup motors, servo motors, and geared reduction motors with intelligent control — broad-line motor manufacturer. | CN Shenzhen, Guangdong | Gears | 250+ people | not stated | unknown | ||
| Shenzhen KEYES RobotRobot kits, motor-driver and servo expansion boards, assembled electromechanical kits | CN Shenzhen, Guangdong | — | unknown | not stated | unknown | ||
| Shenzhen Kinco ElectricIndustrial automation and robot motion components — HMI, PLC, servo drives and motors, stepper drives, and integrated drive-wheel and joint modules | CN Shenzhen, Guangdong | — | 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 | Box build & final assembly | unknown | not stated | unknown | ||
| Shenzhen Ruibituoke Technology (RBT Motor)深圳市瑞必拓科技有限公司Hollow-cup and sensorless (Hall-free) brushless motors with sine-wave FOC drivers — small precision-motor + driver combo, well suited to robot joints/end-effectors. | CN Shenzhen, Guangdong | Sensors & lidar | unknown | not stated | unknown | ||
| Shenzhen Sanxie Motor (3X Motor)深圳市三协电机有限公司Precision planetary reducers and servo geared motors; offers customization for non-standard specs up to 115mm diameter reducers — a small/mid gearbox house well suited to niche robotics quantities. | CN Shenzhen, Guangdong | Gears | unknown | not stated | unknown | ||
| Shenzhen Stonker Motor深圳市智创电机有限公司Brushless DC motors and sensorless drivers, plus servo and stepper motors — general BLDC motor house with a customization line. | CN Shenzhen, Guangdong | Sensors & lidar | unknown | not stated | unknown | ||
| Shenzhen SZKOMO Innovation Robot Technology (Komo Robot)深圳市科盟创新机器人科技有限公司Harmonic reducers and robot joint modules — a dedicated motion-transmission component maker for robot arms/humanoids. | CN Shenzhen, Guangdong | — | unknown | not stated | unknown | ||
| Shenzhen Tongchuan Technology (TC-Drive)深圳市同川科技有限公司Lightweight harmonic-drive robot joints and collaborative-robot joint modules — a dedicated joint-module manufacturer named in a Shenzhen humanoid-robot supply-chain industry report alongside Komo Innovation and others. | CN Shenzhen, Guangdong | — | unknown | not stated | unknown | ||
| Shenzhen Vilobo Robot深圳威洛博机器人有限公司Linear robots and modularized standard components: linear modules, linear motors, and electric grippers — direct fit for robot end-effector and axis-motion needs. | CN Shenzhen, Guangdong | — | unknown | not stated | unknown | ||
| Shenzhen Wanzhida深圳市万至达电机制造有限公司Hollow-cup motors, stepper motors, brushless DC motors, and geared motors — broad small-precision-motor catalog manufacturer, also named as a major upstream supplier in a Shenzhen humanoid-robot supply-chain industry report. | CN Shenzhen, Guangdong | Gears | unknown | not stated | unknown | ||
| Shenzhen Xiaoxiang Electric (SEMotor)深圳小象电动科技有限公司Axial-flux motors and torque motors for humanoid robots, quadruped robots, and hub-motor applications — a high-performance actuator specialist explicitly targeting the robotics/legged-robot market. | CN Shenzhen, Guangdong | Magnets | unknown | not stated | unknown | ||
| Shenzhen Xinlichuan Electrical深圳市新力川电气有限公司Custom stepper and servo motor drive systems (步进驱动/伺服驱动) across multiple communication protocols — motor-driver specialist, not motor bodies. | CN Shenzhen, Guangdong | — | 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), Box build & final assembly | unknown | not stated | unknown | ||
| Shenzhen Zhongling Technology深圳市中菱科技有限公司Robot hub motors, hub servo drivers, and integrated step motors — motion-drive specialist for wheeled/mobile robot platforms. | CN Shenzhen, Guangdong | — | unknown | not stated | unknown | ||
| SteadyWinGIM-series planetary/quasi-direct-drive robot joint actuators (GIM8115, GIM8108, GIM3510) of the Mini-Cheetah class; supports customization. Sold through Alibaba and Western robotics resellers (OpenELAB, Robotopian). | CN | — | unknown | not stated | unknown | ||
| Suzhou Honpine Precision Industry苏州鸿磐精密工业Harmonic reducers (standard + mini/micro), RV reducers, precision planetary reducers, robot joint modules (harmonic and planetary), high-pressure rotary actuators, torque sensors, electric grippers. Torque range 1-2,000 Nm across 20+ types; transmission accuracy <40 arcsec; backlash <10 arcsec; precision retention >10,000 hours; ratios 1/30-1/320. | CN Suzhou, Jiangsu | Sensors & lidar | 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, Box build & final assembly, Welding & fabrication | unknown | not stated | unknown | ||
| Suzhou Servo Dynamics苏州钧信自动控制有限公司Precision-motion servo motors and motion systems with system-integration services; EtherCAT Technology Group member company; serves precision-motion OEM applications across East China (regional offices in Changzhou, Hefei, Nanjing, Kunshan) | CN Suzhou, Jiangsu | — | unknown | not stated | unknown | ||
| Suzhou Shuoxingda (Susinta)苏州硕星达精密传动Harmonic reducers (CS, HS series), RV reducers, planetary reducers (AB series), worm-gear reducers (NMRV, VF series), cam indexers. Also serves as China contract agent for Italian brands VARVEL, MGM motors, Motovario, SITI, Bonfiglioli. | CN Suzhou, Jiangsu | Gears | unknown | not stated | unknown | ||
| T-Motor朗宇科技high-torque brushless motors originally for multirotor UAVs, now widely adopted in legged-robot direct-drive joints; AK-series robotics BLDC lineup with integrated encoder + CAN driver; broad English distributor network. **NOT a military drone specialist:** their headline market is civil/consumer multirotor + robotics education; excluded from the stream's dual-use ban on that basis. | CN Shenzhen, Guangdong | Sensors & lidar | unknown | not stated | unknown | ||
| TT Motor (Shenzhen) Industrial Co., Ltd.深圳市天喆电机有限公司Brushless DC motors and geared-motor solutions (DC gear motor, DC brushless motor, DC brushless gear motor, DC coreless motor) across many size classes — a large, well-established general-purpose motor exporter, explicitly cites robots/drones among target applications. | CN Shenzhen, Guangdong | Gears | unknown | not stated | unknown | ||
| Wuxi Juxie Smart Drive无锡巨蟹智能驱动Harmonic reducers plus integrated joint modules, micro/mini servo drivers, integrated encoders, and force-sensor components purpose-built for humanoid robots; also makes thin-wall cross-roller bearings (own patent). Flagship "R48-Lite" harmonic joint module priced at RMB 699, designed for humanoid robots' high-dynamic joints. | CN Wuxi, Jiangsu | CNC milling, Sensors & lidar | unknown | not stated | unknown | ||
| Wuxi Sanli Bearing (SLC Bearing / Sanli Robotics)无锡三立轴承股份有限公司Angular contact ball bearings (single/double-row, high-speed), RV reducer bearings, harmonic-drive flexible bearings, cross-roller bearings, machine-tool spindle bearings, ceramic ball bearings. Bore 10mm–300mm, OD up to 450mm, precision grades P0/P6/P5/P4/P2, limit speed up to 50,000 rpm. | CN Wuxi, Jiangsu | CNC milling | 50–249 people | not stated | unknown | ||
| XBOTPARK (Songshan Lake International Robotics Industry Base)松山湖机器人基地 / 东莞松山湖国际机器人研究院有限公司Hardware/robotics startup incubator + supply-chain/manufacturing platform. Founded 2014 by **Prof. Li Zexiang (李泽湘, HKUST)**, Prof. Ping K. Ko (高秉强, former HKUST Dean of Engineering), and Prof. Gan Jie (甘洁, CKGSB) as a market-run, corporatized new-model R&D institution (东莞松山湖机器人产业发展有限公司, under which sits 松山湖国际机器人研究院). New Songshan Lake HQ campus opened ~Dec 2023: 98 mu (~6.5 hectares), 110,000 m² of building space, combining incubation, R&D, manufacturing, and living space ("硬科技创业梦工厂") | CN Dongguan, Guangdong | Gears, Sensors & lidar, Wireless modules | unknown | not stated | unknown | ||
| Xingongjukiang Robotics星工聚将（苏州）智能科技有限公司Integrated robot joint modules combining reducer + motor + dual encoders + driver in one housing, full-hardware FOC control, in-line variable gear ratio, torque coverage 10–500 N·m across XG70/XG80/XG90/XG110/XG142/XG170 model sizes; built for humanoid and collaborative-robot applications; also produces the Z1 wheeled humanoid robot (28 DOF) and a "G1" high-dynamic robotic arm as showcase end-products | CN Suzhou, Jiangsu | Gears, Enclosures, Sensors & lidar | unknown | not stated | unknown | ||
| Xinje / Wuxi Xinje Electric无锡信捷电气股份有限公司Full AC servo drive lineup (DS5C1/DS5C5 flagship/DS5K/DS5L/DS6C/DC6C/DL6/DF3E/HLR/HLZ roller-servo series) paired with MS-series servo motors; power range roughly 0.75kW–11kW+; EtherCAT (sub-1ms cycle, up to 32 axes, distributed clock sync, CSP/CSV/CST modes), CANopen (PP/PV/TQ/HM modes), and PROFINET (DS5P) bus support plus pulse-type; used in CNC retrofits, photovoltaic/lithium-battery equipment, packaging, and general automation | CN Wuxi, Jiangsu | CNC milling, Foam & packaging, Battery packs | unknown | not stated | unknown | ||
| Yuecheng Electromechanical跃成机电科技无锡有限公司AC servo motors under the "JYT / 金源泰" brand, frame sizes 60/80/110/130/180mm; servo drives rated 15A/20A/30A/50A/75A/100A; dedicated servo roller motors (68/98 series) for conveyor/logistics automation; also produces EV/e-bike controllers as a secondary product line; supports POWERLINK bus protocol | CN Wuxi, Jiangsu | CNC milling, Foam & packaging, Textiles & sewn goods | unknown | not stated | unknown | ||
| ZeroErr Control因时机器人 (Yin Shi Robotics) / 零差云控integrated joint modules (eRob series) that pair harmonic reducer + frameless motor + absolute encoder + driver in a single housing, aimed at collaborative and humanoid robot builders in the 50–500 unit range | CN Shenzhen, Guangdong | Magnets, Enclosures, Sensors & lidar | unknown | not stated | claims CE (unverified issuer) | ||
| Zhongcheng Technology (Changzhou)众程技术（常州）有限公司AC servo motors and drivers across 4-pole/5-pole designs and 40/60/80/90/110/120/150/180/200/220mm frame sizes (500+ model variants); positioned as performance-matched alternative to Mitsubishi/Siemens for CNC automation, industrial robots, printing/packaging machinery, textile machinery, home appliances | CN Changzhou, Jiangsu | CNC milling, Foam & packaging, Textiles & sewn goods | unknown | not stated | unknown | ||
| 广东天孚电机科技有限公司 / Guangdong Tianfu Motor Technology Co., Ltd.micro DC motor factory, M10 to N30 and 030/050 lines, metal-gear N20 with hall encoder; custom development offered | CN Dongguan, Guangdong | Gears, Sensors & lidar | 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), Box build & final assembly, Compute boards & modules | unknown | not stated | unknown | ||
| 深圳市智德线缆科技有限公司 / Shenzhen Zhide Cable Technology Co., Ltd.custom JST small-pitch harnesses (SH, GH, ZH, PH, EH, XH, VH), servo extension leads; ISO 9001:2015, UL claimed | CN Shenzhen, Guangdong | Cable & wire harness | unknown | not stated | unknown |