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Precision Gear Motors &
Planetary Gearboxes

As a leading manufacturer for over 15 years, Hongjun Science and Technology delivers high-performance AC/DC gear motors, planetary gearboxes, automatic door motors, and cleaning machine motors trusted by 2000+ global customers.

Explore Products Learn About Us

Who We Are

Hongjun Science and Technology Co., Ltd is one of the leading manufacturers of gear motors and precision planetary gearboxes in China. With over 15 years of experience, we operate a modern facility with 1000 workers, including 40 skilled technicians.

We dominate the domestic Chinese market with an annual sales volume of 850,000 AC gear motors alone. Our products are exported worldwide, serving customers in Canada, Europe, Japan, and beyond.

15+
Years in Industry
1000+
Factory Workers
850K
AC Motors Sold Annually
2000+
Global Customers
Factory Overview

Our Product Range

From AC and DC gear motors to high-precision planetary gearboxes, we offer a comprehensive range of motion control solutions with customization options for diverse industrial applications.

AC Gear Motor

AC Gear Motor

  • Power: 3W – 180W
  • Ratio: 3 – 200
  • Types: Induction, Reversible, Brake, Speed Control
  • Low noise, long life
DC Gear Motor

DC Gear Motor

  • Power: 6W – 300W
  • Voltage: 12V, 24V, 90V
  • Flange: 60x60 to 104x104 mm
  • CE, UL, RoHS certified
DC Brushless Gear Motor

DC Brushless Gear Motor

  • Power: 10W – 400W
  • Ratio: 3 – 200
  • Hall sensor type
  • Includes speed controller
Small AC Gear Motor

Small AC Gear Motor

  • Power: 0.1 – 3.7kW
  • Voltage: 110/220/380V, 1PH/3PH
  • Max Ratio: 1/1800
  • High torque, brake options
Spur Planetary Gearbox

Spur Planetary Gearbox

  • High precision, low backlash
  • 22 gear ratios available
  • Flange: 40 – 160mm
  • Lifetime lubrication
Helical Planetary Gearbox

Helical Planetary Gearbox

  • Helical gear design
  • Highest precision, lowest backlash
  • Ideal for servo motors
  • Input power up to 5000W
Automatic Door Motor

Automatic Door Motor

  • Brush or brushless options
  • Low noise, long life
  • Customizable
  • Used in industrial automation
Cleaning Machine Motor

Cleaning Machine Motor

  • AC or DC versions
  • Used in sweepers, scrubbers
  • Customization available
  • Reliable performance
Harmonic Gearbox

Harmonic Gearbox

  • High precision, compact
  • Used in robotics
  • Cost-effective
  • Includes harmonic driver
Transmission Planetary Gearbox

Transmission Planetary Gearbox

  • Diameters: 22mm – 62mm
  • High torque density
  • Compact design
  • Smooth operation

Why Choose Hongjun Science and Technology?

We combine advanced manufacturing with rigorous quality control to deliver reliable, high-performance motion solutions.

🏭

Modern Manufacturing

5S-managed workshop with semi-automatic assembly lines for high efficiency and consistency.

✅

Triple Quality Testing

Every product undergoes 3 quality tests before leaving the factory to ensure reliability.

🌍

Global Reach

2000+ overseas customers with offices in Canada, Europe, and Japan.

📦

Fast Shipping

Plenty of stock ensures quick delivery to meet urgent project timelines.

🔧

Custom Solutions

We provide tailored gear motor and gearbox designs based on customer requirements.

📜

Certified Quality

Certified with ISO9001, CCC, CE, UL, and RoHS standards.

Applications

Our gear motors and gearboxes are trusted across industries for their durability and precision.

Machine Tools (CNC Lathes)
Textile & Knitting Machinery
Industrial Assembly Lines
Automatic Door Openers
Cleaning Equipment (Sweeping Machines)
Packaging Machinery
Pharmaceutical Machinery
Educational Instruments
Office Equipment
Medical Devices
Healthcare Equipment
Warehouse Automation & Industrial Robots

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact the Hongjun Science and Technology team.

Visit Official Website to Contact

Email: info@gearmotor-china.com | sales@gearmotor-china.com

Tel: 86-28-87746871

Fax: 86-28-87746871

Add: No.1537 Middle Section of Jiannan Avenue, High-Tech Zone, Chengdu, China 610041

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