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Precision Motor & Drive Systems for Industrial Automation

Shanghai Siheng Motor Co., Ltd. develops and manufactures high-reliability AC/DC servo motors, stepper motors, drivers, and planetary gearboxes trusted by global OEMs and automation integrators.

20+ Years Experience
Global Shipping
Custom Solutions
Integrated DC Servo Motor
Siheng Motor Facility

About Siheng Motor

Shanghai Siheng Motor Co., Ltd. was established on July 3rd, 2003, in Shanghai, China. We have always been committed to the development and production of intelligent motor and controller systems.

We focus on providing highly reliable motor and drive systems to customers around the world. Quality is the cornerstone of Siheng's survival and development — the reason why users choose us.

Our value is to achieve user needs. We respect rules and processes, respond quickly to user demands, and provide high-quality products, services, and solutions with continuous improvement to create long-term value.

20+
Years of Experience
50+
Countries Served

Our Product Range

Siheng Motor offers a comprehensive portfolio of precision motion control components designed for high performance and reliability in industrial automation applications.

42mm Hollow Shaft Stepper Motor

42mm Hollow Shaft Stepper Motor

High-torque 1.8° step angle motor with hollow shaft design for cable routing and sensor integration.

  • 1.8° Step Angle
  • 42mm Frame Size
  • Hollow Shaft Design
BLS Series Integrated DC Servo Motor

BLS Series Integrated DC Servo Motor

Compact integrated motor and driver solution for space-constrained applications requiring high efficiency.

  • Integrated Driver
  • 42mm Frame Size
  • High Efficiency
AC Servo Motor with Absolute Encoder

5-Pole AC Servo Motor (Absolute Encoder)

High-precision servo motor with absolute encoder for position retention and improved control accuracy.

  • Absolute Encoder
  • 5-Pole Design
  • High Torque Density
Precision Planetary Gearbox

Precision Planetary Gearbox (PF Series)

Low-backlash planetary gearboxes designed for high torque transmission and precise motion control.

  • Low Backlash
  • High Torque Capacity
  • Multiple Ratios
2 Phase Stepper Motor

2 Phase Stepper Motor (42mm Series)

Standard 2-phase hybrid stepper motors with high holding torque and smooth operation.

  • 2-Phase Hybrid
  • 1.8° Step Angle
  • Multiple Frame Sizes
Split DC Servo Motor

Split DC Servo Motor & Driver

Modular design with separate motor and driver units for flexible system integration and maintenance.

  • Modular Design
  • Remote Driver Option
  • High Dynamic Response
Closed-Loop Stepper Motor

Closed-Loop Stepper Motor System

Combines stepper motor simplicity with encoder feedback for improved torque and stall prevention.

  • Encoder Feedback
  • No Step Loss
  • High Efficiency
Customized Motor Solutions

Customized Motor Solutions

Tailored motor designs to meet specific voltage, torque, size, and environmental requirements.

  • Custom Windings
  • Special Enclosures
  • OEM Support

Why Choose Siheng Motor?

Engineered for performance, reliability, and seamless integration in demanding industrial environments.

High Reliability

Our motors undergo rigorous testing to ensure long service life and stable performance under continuous operation.

Precision Engineering

Tight tolerances and advanced materials ensure minimal backlash, smooth motion, and high positional accuracy.

Energy Efficient

Optimized electromagnetic design reduces power consumption and heat generation, lowering total cost of ownership.

Industrial Grade

Designed for harsh environments with protection against dust, moisture, and vibration.

Easy Integration

Standard mounting dimensions and interfaces simplify replacement and system upgrades.

Technical Support

Dedicated engineering team available for application support, troubleshooting, and customization.

20+
Years in Business
50+
Countries Served
10M+
Motors Shipped
99.7%
On-Time Delivery

Applications

Our motors power critical systems across diverse industries.

Industrial Automation

Robotic arms, pick-and-place systems, conveyor controls, and assembly lines.

CNC Machines

Precision spindle drives, axis control, and tool changers in machining centers.

Automated Warehousing

AGVs, stacker cranes, sorting systems, and inventory management robots.

Frequently Asked Questions

Find answers to common questions about our products and services.

What types of motors does Siheng Motor manufacture?

Siheng Motor produces AC servo motors, DC servo motors, stepper motors, closed-loop stepper systems, integrated motor+driver units, and precision planetary gearboxes.

Do you offer customization options?

Yes, we provide customized motor solutions including special windings, shaft configurations, connectors, encoders, and environmental protections to meet specific application requirements.

What is the delivery time for standard products?

Standard products are typically shipped within 3-7 business days. Customized products may require additional lead time depending on complexity.

Do you provide technical support?

Yes, our engineering team provides technical support for product selection, integration, troubleshooting, and optimization. Contact us for application assistance.

What certifications do your products have?

Our manufacturing processes follow international quality standards. Many of our products comply with CE and RoHS requirements for global market access.

Contact Siheng Motor

Get in touch with our team for product inquiries, technical support, or customization requests.

Phone / WhatsApp

+86-13166267795

+86-13524552693

WeChat

eric13058569695

sihengmotor

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