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Precision Automotive Gears & Components

20+ years of excellence in manufacturing high-performance crown wheel pinion gears, differential assemblies, chassis, and trailer parts. ISO9001 certified with global distribution.

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About Hydun Gear

Qingdao Hydun Autoparts Manufacturing Co., Ltd. is a leading manufacturer of automotive rear axle gears with over two decades of experience. Our 30,000 square meter facility in Qingdao, China is equipped with advanced machinery including Gleason production lines and continuous carburizing quenching furnaces.

We specialize in the production of crown wheel pinion gears and have successfully exported our products to South America, Southeast Asia, the Middle East, and beyond. Our commitment to quality has earned us ISO9001:2000 certification since 2008.

20+
Years Experience
30,000m²
Factory Area
100+
Machines
Hydun Gear Factory

Our Trading Company: HYDUN AUTO PARTS

HYDUN AUTO PARTS serves as the sales department of our manufacturing facility and acts as your dedicated purchasing counselor. We don't just supply gears — we help you source complete vehicle accessories for one-stop shopping solutions.

Integrated Supply

Full range of automotive components beyond gears

Expert Guidance

20+ years experienced mechanical engineers advising

Global Reach

Export-ready with international quality standards

Our Product Range

Engineered for durability and precision, our automotive components meet the highest industry standards.

Crown Wheel Pinion Gear

Crown Wheel Pinion Gear

High-precision gears for automotive rear axles, manufactured using Gleason technology for optimal meshing and durability.

  • ISO9001 Certified
  • Carburized & Quenched
  • 20+ Years Expertise
Differential Assembly

Differential Assembly

Complete differential units designed for smooth torque distribution and enhanced vehicle performance in various driving conditions.

  • Precision Assembled
  • High Load Capacity
  • OEM Quality Standards
Chassis Parts

Chassis Parts

Robust suspension and structural components engineered for strength, safety, and long service life in heavy-duty applications.

  • High-Strength Steel
  • Corrosion Resistant
  • Customizable Options
Trailer Parts

Trailer Parts

Specialized components for trailers and commercial vehicles, built to withstand heavy loads and continuous operation.

  • Heavy-Duty Design
  • Wear-Resistant Materials
  • Global Compatibility
Rear Axle Components

Rear Axle Components

Comprehensive range of rear axle parts including housings, shafts, and bearings for various vehicle models.

  • Precision Machined
  • Heat Treated
  • Strict QC Process
Gear Sets

Gear Sets

Matched gear pairs optimized for noise reduction, efficiency, and extended service intervals in transmission systems.

  • Precision Ground
  • Low Noise Operation
  • High Torque Capacity

Custom Machined Parts

We offer OEM/ODM services for custom-designed mechanical components based on client specifications and drawings.

  • CNC Machining
  • Prototype Development
  • Bulk Production

Commercial Vehicle Parts

Specialized components for trucks, buses, and industrial vehicles requiring maximum reliability under extreme conditions.

  • Heavy-Duty Construction
  • Extended Lifespan
  • Global Export Ready

Why Choose Hydun Gear

Our combination of advanced technology, experienced personnel, and rigorous quality control ensures superior products every time.

ISO9001 Certified

Our quality management system has been ISO9001:2000 certified since 2008, ensuring consistent product excellence.

Advanced Equipment

Equipped with Gleason production lines and continuous carburizing quenching furnaces for precision manufacturing.

Expert Engineers

Our team includes direct labor with over 20 years of mechanical engineering experience and qualifications.

Global Distribution

Products sold successfully in South America, Southeast Asia, the Middle East, and other international markets.

20+
Years in Business
30,000
Square Meters Facility
100+
Production Machines
50+
Global Markets

Frequently Asked Questions

Get answers to common inquiries about our products and services.

What is your main product line?

Our primary products include crown wheel pinion gears, differential assemblies, chassis parts, and trailer components. We specialize in automotive rear axle gear systems with over 20 years of focused expertise.

Are you a manufacturer or trading company?

We are both. Qingdao Hydun Autoparts Manufacturing Co., Ltd. is our manufacturing facility, while HYDUN AUTO PARTS is our trading company that serves as the sales department and purchasing counselor for complete automotive solutions.

What quality standards do you follow?

We strictly adhere to ISO9001:2000 quality management standards, which we have maintained since 2008. All products are manufactured according to these rigorous international standards.

Can you provide custom OEM/ODM services?

Yes, we offer comprehensive OEM and ODM services. Our experienced engineering team can develop and produce custom components based on your specifications, drawings, or samples.

What markets do you export to?

Our products are successfully exported to South America, Southeast Asia, the Middle East, and many other regions worldwide. We have established distribution networks across multiple continents.

Get in Touch

Ready to discuss your automotive parts needs? Contact our experienced team for quotations, technical support, or partnership opportunities.

Location

Room B-709, Lubang Plaza, No.177 Shandong Road, Northern District, Qingdao City, Shandong Province, China

Phone

+86 17669786668

Email

hydunsales@163.com

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