 Zhejiang Hongtian Spring Co., Ltd

Hongtian Spring designs and manufactures precision elastic components for automotive drivetrain systems since 2001. 

Our components are primarily used in clutch, gearbox, and torque-limiter applications, serving manufacturers across the automotive, motorcycle, agricultural machinery, heavy-duty vehicle and industrial equipment sectors. We currently support clutch programs covering diameters from 180 mm to 450 mm.

From prototype development to high-volume production, all parts are manufactured under controlled processes to ensure dimensional accuracy, functional consistency, and supply continuity.

WHY HONGTIAN:
• 25 Years of Manufacturing Experience 
• Engineering & Tooling Capability 
• Flexible Customization & Prototyping 
• Precision Stamping and Forming Expertise
• Scalable Production Capacity 
• 100% inspection and grading 
• Long-Term Supply Reliability 
• Global OEM Program Support