China Top Machined Gear Components Factory & Exporter

Precision Engineering, Advanced Injection Molding, and Complete Micro-Drive Transmission Systems for Global B2B Enterprises

Featured Micro-Drive & Precision Gear Products

High-performance custom gears, miniature planetary gearboxes, and low-noise DC gear motors developed for next-generation automated systems.

Custom Size Nylon POM Small Plastic Rack

Custom Size Nylon POM Small Plastic Rack Injection Molding Plastic Gears for Projects

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High Torque 3V DC Plastic Gear Motor

High Quality Stability High Torque High Precision 3V DC 10MM Plastic Gear Motor Custom for Smart Baby Bottle

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12mm Micro Planetary Gearbox Electric Gear Motors

Whole Sale 12mm High Quality Micro Planetary Gearbox Electric Gear Motors for Smart Trash Can and Robot Vacuum Cleaner

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ABS Nylon POM Small Module Gear

Factory Spot Wholesale ABS Nylon POM 0.35 Small Module Gear 18 Tooth Plastic Spur Gears

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Low Noise Brush Planetary DC Gear Motor

Wholesale Low Noise 12mm 3v 6v 12v High Efficiency High Rpm Micro Brush Planetary DC Gear Motor Gearboxes

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12V Precision Planetary Gearbox DC Motor

Wholesale 12V High Precision Plastic Planetary Gearbox 28mm Diameter Brush DC Gear Motor Custom for Automatic Door Handle

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High Precision Plastic Helical Gear

Factory Spot Wholesale High Precision Plastic Helical Gear 11 Teeth Modulus 0.5

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6mm DC Brush Stepper Motor with Gearbox

Spot Supplier High Quality 6mm DC Brush Low Noise Micro Electric Stepper Motor 3V Gearbox Gear Motor for Toy and UAV

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Small Motors. Massive Possibilities.

TQC Micromotor is a forward-thinking Chinese manufacturer redefining precision motion control in the micro-drive industry. We design and build high-efficiency micro DC and BLDC motors that power next-generation technologies worldwide.

Driven by our core philosophy—Top Quality & Customization—we combine advanced manufacturing tech with flexible engineering to provide global B2B clients with the transparency of a local partner and the cost benefits of a premier Chinese factory. Built to last. Engineered to fit.

Whether you require complex, high-tolerance machined plastic gear components, modular planetary reduction assemblies, or application-specific micro motor integrations, TQC Micromotor leverages decades of engineering expertise, cutting-edge metrology, and streamlined production methodologies to scale your project from concept to volume export.

TQC Micromotor Manufacturing Facility Overview

Global Manufacturing Capability by the Numbers

Our commitment to precision, scalability, and engineering excellence is validated by operational scale and global market reach.

±0.005mm
Precision Machining Tolerance
50+
Export Destination Countries
10M+
Annual Micro Gear Output
100%
In-House Quality Audited

Technical Guide: The Engineering of Micro-Drive & Machined Plastic Gear Components

Precision micro-drive systems are the foundation of modern automation. The transition from heavy, noisy metal gears to advanced machined and injection-molded plastic gear components represents a major engineering shift. Today’s industrial, automotive, and medical systems demand lightweight, self-lubricating, and chemically resistant components that do not sacrifice mechanical properties or torque limits.

High-Performance Polymers

We use premium materials like Polyoxymethylene (POM/Acetal), Nylon (PA66, PA46), ABS, and Peek. POM offers high stiffness, low friction, and excellent dimensional stability under varying humidity levels. Nylon excels in impact resistance and high load-bearing capacity, while fiber reinforcement options boost mechanical strength.

Optimal Tooth Profiles

Operating at small modules (m0.3, m0.35, m0.5, m0.65) requires specialized tooth profile design to prevent premature wear. TQC utilizes conjugate action optimizations, pressure angle adjustments (e.g., 14.5° or 20°), and micro-backlash designs to balance transmission efficiency and running noise.

High-Precision Machining

When high tooling costs or low production volumes make injection molding impractical, precision machining steps in. Utilizing CNC milling, grinding, and slow wire electrical discharge machining (EDM) ensures tight tolerances (within microns) for prototype development.

Global Procurement Challenges & The China Supply Chain Advantage

For international supply chain managers and B2B buyers, sourcing micro-drive gear components involves balancing cost, lead times, quality consistency, and regulatory compliance. Key industry challenges include:

  • Tooling Lead Times & Quality: Poorly constructed molds lead to dimensional runout, parting line flash, and inconsistent shrinkage, causing gear train binding or early failure.
  • Raw Material Traceability: Ensuring structural polymers (e.g., DuPont POM, BASF Nylon) are genuine and free of unnoted regrind is critical to meeting mechanical design tolerances.
  • Regulatory Compliance: Adapting to strict compliance frameworks, including REACH, RoHS, WEEE, and Conflict Minerals declarations.

The TQC Micromotor Advantage: Located in China's advanced manufacturing corridor, TQC integrates raw material sourcing, precision tooling, cleanroom injection molding, automated motor assembly, and international logistics. This integration minimizes lead times, lowers logistical risk, and ensures reliable quality from prototype to container-load export.

Vertical Production Control

By handling every production stage in-house—including electrode EDM processing, CNC core milling, gear tooth inspection, and final assembly—we maintain complete control over the manufacturing tolerance chain. This centralized control reduces vendor-to-vendor friction and prevents costly project delays.

Compliance & Quality Systems

Our facility operates under an ISO 9001:2015 certified quality management system. Every batch of plastic resin is supplied with material certificates (COA), and all finished gear components comply with European Union RoHS and REACH environmental guidelines, ensuring smooth customs clearance for export.

Step-by-Step Integrated Production & Engineering Workflow

We control every phase of the manufacturing process to guarantee high quality and consistency for custom gear solutions.

Die Parts Processing
Die Parts Processing
Mold Making
Mold Making
Injection Molding
Injection Molding
Assemble
Assemble
Testing
Testing
Package
Package

State-of-the-Art Machining & Tooling Infrastructure

Our manufacturing floor is equipped with precise tooling and machining centers to produce high-tolerance micro gear components.

Slow Wire
Slow Wire CNC Cutters
Injection Molding Machine
Injection Molding Machine
EDM
Precision EDM Systems
CNC
Multi-Axis CNC Machining
Milling Machine
Milling Machine
Grinding Machine
Grinding Machine

Zero-Defect Quality Assurance & Metrology Lab

We use dedicated gear-testing instruments and automated coordinate measurement systems to verify dimensional precision before delivery.

Coordinate Measuring Machine
Coordinate Measuring Machine (CMM)
JE25 Measurement Center
JE25 Measurement Center
Gear Meshing Instrument
Gear Meshing Instrument
Image Measuring Instrument
Image Measuring Instrument

Target Applications for Micro-Drive Assemblies

Precision micro gears and gearboxes are critical components in modern automated systems, consumer devices, and automotive subsystems. TQC develops tailored drive units to meet the unique torque, speed, and acoustic profiles of these applications.

Smart Home & Robotics

From robotic vacuums to automated trash cans, our miniature planetary gearboxes (such as the 12mm planetary DC motor) provide high output torque in compact spaces. They are designed for low operational noise to integrate seamlessly into residential environments.

Automotive Subsystems

Modern vehicles use micro-actuators for automatic door handles, window blinds, and electronic latching mechanisms. TQC’s custom plastic planetary gearboxes are designed to withstand wide temperature ranges (-40°C to +85°C) and mechanical vibration.

Aerospace & UAVs

Unmanned aerial vehicles (UAVs) require high power-to-weight ratios. Our lightweight 6mm stepper motors and miniature gearbox assemblies provide precise control for camera gimbals and auxiliary mechanical actuators without adding unnecessary weight.

Technical & Procurement FAQ

Answers to common B2B engineering and purchasing questions regarding custom gear fabrication and micro-drive assembly imports.

What is the typical manufacturing tolerance for your machined and molded plastic gears?

For CNC machined plastic gears, we maintain tolerances down to ±0.01mm. For high-precision injection-molded gears, we achieve AGMA Q8 to Q10 quality levels, with dimensional tolerances within ±0.005mm. Shrinkage rates of semi-crystalline polymers like POM are managed through advanced mold temperature controllers and precise cooling cycles.

How does TQC Micromotor control noise levels in miniature planetary gearboxes?

Gearbox noise is controlled through tooth modifications (e.g., crowning and tip relief), helical tooth designs, and precise housing alignment. We test our gearboxes in anechoic chambers to ensure noise levels remain below 45dB at a distance of 30cm under rated load, depending on the gear configuration.

Can you supply custom planetary gearboxes with specialized ratios?

Yes. We engineer customized planetary systems. Depending on the size constraints (e.g., 6mm, 10mm, 12mm, 16mm, 28mm diameters), we design single, double, or triple-reduction gear sets to achieve ratios ranging from 4:1 up to 1000:1.

What certifications do your materials and manufacturing processes hold?

TQC Micromotor’s manufacturing processes are certified to ISO 9001:2015, and our automotive-grade components are produced under TS16949/IATF 16949 quality guidelines. All base resins (POM, PA66, ABS) carry official UL flammability yellow cards and comply with RoHS and REACH standards.

Explore Our Full Range of Precision Assemblies

We offer high-torque micro planetary gearmotors, custom plastic gears, and specialized micro stepper units to support B2B engineering needs.

10mm Planetary Gearbox DC Motor

High Precision Micro 10mm Planetary Gearbox High Precision 3V DC Plastic Gear Motor Custom for Toys

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3V 6mm Micro Plastic Planetary DC Motor

3V 6mm Micro Plastic Planetary DC Coreless Gear Motor for Electronic Door Lock Mini Gearbox

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ABS Nylon 17 Tooth Plastic Spur Gear

Factory Spot Wholesale ABS Nylon 0.3 Small Module Gear 17 Tooth Plastic Spur Gears

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28mm DC Plastic Planetary Gearbox

Factory Supply Directly High Precision High Quality Low Noise DC Plastic Planetary Gearbox 28mm for Yacht Automatic Actuator

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16mm Gear Motor for Juicer

Customization High Quality Low Noise 16mm Gear Motor 5V Planetary Reduction Gearbox for Portable Multi-functional Juicer

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12V DC Plastic Planetary Gearbox

Hot Sale 12V DC Plastic Planetary Gearbox 28mm Diameter Micro Gear Motor for Window Blind and Smart Door Lock

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16mm Stability Dc Gear Motor

Factory Supply 16mm Stability Dc Gear Motor 5V Electric Planetary Reduction Gearbox for Curling Iron Motor and Juice Extractor

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Plastic Cylindrical Pinion Gear

Factory Spot Wholesale High Precision Plastic Cylindrical Pinion Gear 11 Teeth Modulus 0.65

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