Custom OEM Small Electric Motors Manufacturers & Factories

Precision-Engineered Miniature Drives, Micro Planetary Gearboxes, and Custom PMDC/BLDC Motor Solutions for Global OEM/ODM Applications.

High-Performance Custom Micro Motors

Engineered to meet rigorous torque, duty cycle, and dimensional constraints. Browse our featured core designs below:

Shunli Custom Reduction Micro Planetary Gearbox Permanent Magnet Brushless Brush DC Motor

Shunli Custom Reduction Micro Planetary Gearbox Permanent Magnet Brushless Brush DC Motor 1.5V 3V 12V 24V for Dc Motor Toy

Technical Specifications
China GuangDong Manufacturer Supplier Carbon Brushes Electric Toy Car Massager Motor

China GuangDong Manufacturer Supplier Carbon Brushes Electric Toy Car Massager SFF-130SA 6v Dc Vibration Motor

Technical Specifications
Shunli Customizable Motor Small Gear Motor With Micro Gearbox Low Speed for Smart Lock

Shunli Customizable Motor Small Gear Motor 3V 6V 12V DC Motor With Micro Gearbox Low Speed 30RPM 40RPM 80RPM for Smart Lock

Technical Specifications
AC Shaded Pole Gear Motor Low RPM 100V 220V 50Hz 60Hz

50 / 60 Hz Frequency 100v 110v 220v 240v AC Shaded Pole Gear Motor Low RPM 3.5RPM 30RPM 50RPM 100RPM

Technical Specifications
12V Cheap Stepper Motor 15mm 10 Ohm Resistance DC Small Stepper

12V Cheap Stepper Motor 15mm 10 Ohm Resistance DC Small Stepper Electrical Motors

Technical Specifications
Shunli Gear Motors Customized 12v 24v 28mm Planetary Gearbox

Shunli Gear Motors Customized 12v 24v 28mm Planetary Gearbox Match Pmdc Motor

Technical Specifications
90 Degree Motor 6v 12v Dc Worm Gear Motor

90 Degree Motor 6v 12v Dc Worm Gear Motor D-shaped Shaft

Technical Specifications
Small Electric Magnetic N20 3v Dc Vibration Motor

Small Electric Magnetic N20 3v Dc Vibration Motor

Technical Specifications

RadixPro: Packing Massive Torque Into Miniature Spaces

Inside a premium robotic joint, an automated medical pump, or a high-end smart lock, space is the ultimate luxury. At RadixPro, we measure our success in micrometers and decibels. Our mission is to take advanced, heavy-duty rotational power and compress it into the most compact, energy-efficient footprints imaginable.

Our expertise lies in the micro-details of motion. From precision-wound copper rotors and high-purity commutators to zero-backlash planetary gear trains, every single internal component of a VortexPro motor is optimized to eliminate friction and maximize heat dissipation. By combining advanced automated Swiss-style hobbing with Japanese dynamic balancing, we ensure our micro drives deliver the fluid, whispering-quiet power your brand promises. When your next high-tech innovation relies on repeated mechanical perfection, let RadixPro be the core that spins it forward.

RadixPro Engineering Laboratory

Technical Evolution of Small Electric Motors

Exploring the key metallurgical, design, and performance changes driving global OEM procurement.

High Energy-Density Magnetics

Transitioning from traditional ferrite magnets to NdFeB (Neodymium-Iron-Boron) allows factories to design motors with exceptional residual induction (Br) and coercive force (Hc), ensuring higher torque density in micro packages.

Coreless and Brushless DC Motor Trends

Modern applications demand zero cogging torque and negligible rotor inertia. Slotless, coreless winding designs provide linear speed-torque characteristics, smooth rotation at ultra-low speeds, and a longer life cycle.

Micro Planetary Gear Integration

High gear reduction ratios in tight spatial envelopes require planetary gearbox stages. Utilizing high-strength polymer or powder metallurgy gears ensures low backlash (<1.5°) and robust mechanical efficiency.

Performance Comparison Matrix of Micro Motor Technologies

Motor Classification Typical Envelope Range No-Load Speed Range Max Rated Torque Primary Industrial Use-Case
Coreless Micro DC Motors Ø 4mm - Ø 12mm 12,000 - 45,000 RPM Up to 0.8 mNm Medical insulin pumps, tactical UAV servos, optical focal adjusters
Planetary Geared PMDC Motors Ø 12mm - Ø 36mm 5 - 1,500 RPM (reduced) Up to 5.0 Nm Electronic smart locks, vending machines, valve control systems
Brushless DC (BLDC) Motors Ø 16mm - Ø 45mm 5,000 - 60,000 RPM Up to 120 mNm Robotic joints, industrial blowers, electric shavers, hand tools
Shaded Pole AC Gear Motors OEM Standard sizes 1.5 - 100 RPM Up to 10 Nm Ovens, commercial rotisseries, home appliances, dampers

China Factory 4.0: Supply Chain Resilience & Efficiency

Why global OEMs partner with our state-of-the-art facilities for high-precision micro-motor fabrication.

Vertical Manufacturing Integration

From local raw material inspection to automated copper wire winding, plastic injection molding, CNC gear hobbing, and laser welding—our factory handles 90% of structural manufacturing in-house, minimizing lead times and supply chain interruptions.

Automated Tolerance Controls

Using Swiss-style lathing, Japanese hobbing, and automated gear riveting machines, we consistently maintain shaft runout within ≤0.005mm and dynamic gear balancing standards to satisfy strict NVH (Noise, Vibration, and Harshness) expectations.

Rigorous Environmental Compliance

All production facilities adhere to IATF 16949 (Automotive Quality Management) and ISO 9001 certifications. Raw materials are RoHS and REACH compliant, which ensures smooth importing into European and North American markets.

15+
Years OEM/ODM Expertise
<0.005mm
Shaft Runout Tolerance
100%
Dynamic Testing Inspected
45+
Export Markets Worldwide

Factory Equipment Fleet & Manufacturing Process

We deploy advanced machines to ensure quality consistency from design to final storage.

1. Advanced Production & Machining Centers

NINGJIANG MACHINE TOOL
NINGJIANG MACHINE TOOL
High Precision Horizontal Gear Hobbing Machine
High Precision Horizontal Gear Hobbing Machine
Lathing Machine
Lathing Machine
Milling Machine
Milling Machine
Slow-feeding NC wire-cut machine
Slow-feeding NC Wire-cut Machine
EDM
EDM (Electrical Discharge Machining)
Hobbing Machine
Hobbing Machine
Glue Dispenser
Automatic Glue Dispenser
Drying Oven
Drying Oven
Automatic Gear Riveting Machine
Automatic Gear Riveting Machine
Packing Machine
Automatic Packing Machine
Pneumatic Pressing Machine
Pneumatic Pressing Machine
Manual Pressing Machine
Manual Pressing Machine
Computer Wire Winding Machine
Computer Wire Winding Machine
Injection Machine
High-Precision Injection Machine

2. Workflow Stages: From Raw Material to Delivery

Design Stage
Design & Prototyping
Raw Material
Raw Material Inspection
Soldering
Precision Soldering
Assembling
Assembly Line
Testing
Performance Testing
Packing
Secure Packing
Storage
Controlled Storage

State-Of-The-Art QC Checking & Metrology Lab

Every single motor batch undergoes intensive testing protocols to verify environmental stability and lifetime endurance.

Programmable Constant Temperature & Humidity Testing Chamber
Programmable Temperature & Humidity Chamber
Noise Testing Chamber
Noise Testing Chamber
Salt Spray Testing Machine
Salt Spray Testing Machine
Dynamometer Machine
Dynamometer Machine
Hardness Tester
Hardness Tester
Video Measuring Instrument
Video Measuring Instrument
Aging Shelf
Electrical Aging Shelf
Motor Testing Machine
Motor Testing Machine
Microscope
Metallurgical Microscope
Digital Oscilloscope
Digital Oscilloscope
Soundproof Room
Acoustic Soundproof Room
Magnetic Powder Testing Machine
Magnetic Powder Testing Machine

Development Verification Capabilities

Design Phase Temperature Chamber
Prototype Constant Temp & Humidity Chamber
Design Phase Noise Chamber
Design Validation Noise Chamber
Design Phase Salt Spray Testing
Prototype Salt Spray Corrosion Machine

Production Workshop Gallery

Production Workshop Area 1
Winding Workshop
Production Workshop Area 2
Assembly Hall
Production Workshop Area 3
Gear Processing Center
Production Workshop Area 4
Automated Inspection Line
Production Workshop Area 5
CNC Machining Bay
Production Workshop Area 6
Testing & QC Bay
Production Workshop Area 7
Warehouse & Loading

Industrial & Commercial Applications

Our micro motors power demanding, high-precision applications worldwide.

Smart Locks & Security Systems

Smart locks require low-speed, high-torque micro DC gear motors. Our customized N20 and planetary gearbox designs fit in small lock bodies, delivering reliable deadbolt actuation with low power consumption.

Medical Pumps & Lab Automation

Insulin delivery, peristaltic pumps, and medical analyzers require zero-cogging coreless brushless motors. They provide quiet, precise, pulse-free dosing and reliable fluid control.

Robotics & Automated Joints

Collaborative robots and commercial drones need high-torque density in lightweight packages. Our brushless planetary gear motors deliver precise motion control with minimal weight and maximum battery life.

Frequently Asked Questions (FAQ)

Technical insights on custom micro motors, manufacturing options, and OEM logistics.

Q1: What are the primary customization options for OEM micro gear motors?
We offer complete customization of shaft configurations (D-shape, round, keyed, cross-drilled, or threaded), custom gear ratios (ranging from 1:3 up to 1:1500), winding variations to match specific input voltages (1.5V to 48V), lead wire terminations, connectors, encoders, and special low-noise lubricant options for extreme temperature limits (-40°C to +85°C).
Q2: How does the factory manage noise levels (NVH) in planetary gearmotors?
Noise reduction is managed through precision Swiss-style gear hobbing, matching helical gears in the input stage, and using specialized acoustic materials or high-damping plastics like POM for internal gears. Final products are tested in our specialized acoustic rooms to verify noise levels remain below 35-40 dBA at standard operating distances.
Q3: What certifications do your electric motors carry for global compliance?
Our motors and manufacturing processes comply with ISO 9001:2015, IATF 16949, CE, FCC, RoHS, and REACH. For medical-grade or explosion-proof applications, we work with customers to provide certified components that simplify your system-level FDA or UL approvals.
Q4: Can we request pre-production prototypes for verification before tooling?
Yes. Our engineering lab is equipped to build custom micro-motor prototypes using CNC-machined housings and custom-wound stator coils. We supply dyno-test reports, back-EMF curves, and physical samples to verify design fit and function before starting production tooling.

Industrial Gearmotors & Specialties

High-torque, high-speed, and low-speed designs engineered for industrial reliability and long life cycles:

Flat Reduction Gearbox Motor 12v 24v DC High Torque

Flat Reduction 0.3Nm - 5Nm 12volt Gearbox Motor Dc Gear Motor Gearbox 24v 12v Dc High Torque Electric Motor Gears

Technical Specifications
Electric Lawn Mower Brushless DC Motor High Torque

Electric Lawn Mower Long Life Brushless Dc Planetary Gear Motor 12v 48v7.2w High Torque 100kg Customized Moteur Brushless 24V

Technical Specifications
China Low Price Single Phase Shaded Pole Motor

China Factory Low Price Single-phase Shaded Pole Motor Ac Gear Motor Mg-yj61 Asynchronous Motor

Technical Specifications
Shunli N20 Micro DC Gear Motor 12mm Shaft 2kgcm Torque

Shunli 12mm Diameter Gearbox N20 Micro Dc Gear Motor 3mm Customized Shaft 2KG.CM Torque 3V 3.7V 12V N20 Geared Motor

Technical Specifications
Model 390 395 DC Motor Custom Shaft Length

Model 390 / 395 Dc Motor Shaft Length Can Be Customized Diameter 28.8 Mm Body Length 46.5 Mm Permanent Magnet Brush

Technical Specifications
BL DC Electric Shaver Brushless Planetary Gear Motor

BL Dc Electric Shaver Brushless Planetary Gear Motor Bl2430 Micro Motor CAR Permanent Magnet FAN Boat

Technical Specifications
High Speed Brushless DC Motor 12v 18v 24v

12V 18V 24V High Speed 20000 RPM 30000RPM 40000 RPM 100 G.CM 150 G.CM 36 mm Brushless DC Motor for Fan

Technical Specifications
GM95F-555PM Low RPM High Torque DC Gear Motor

GM95F-555PM Low Rpm High Torque 12v Dc Gear Motor

Technical Specifications