Precision Engineering for Global Automotive
OEM supplier for shock absorbers and suspension components. Trusted by industry leaders like Tenneco and Hitachi.
Precision Engineering
High-performance components designed for durability and efficiency across all applications.
Piston
Precision-machined piston with ring grooves for optimal sealing in hydraulic cylinders and shock absorbers.
- Total volume 32%
Rod Guide
Guiding component that ensures proper piston rod alignment and provides sealing interface in hydraulic systems.
- Total volume 19%
Cylinder End (Base Valve)
Multi-port valve assembly for precise fluid flow control and pressure regulation in hydraulic applications.
- Total volume 26%
Support Washer
Precision support disc with radial slots providing structural backing and load distribution in valve assemblies.
- Total volume 21%
Zero Defect Policy
Our manufacturing process adheres to the strictest automotive standards.
IATF 16949
We are fully certified for automotive production. Our quality management system ensures continuous improvement.
In-House Laboratory
Spectrometers, CMM, and fatigue testing equipment ensure material integrity.
Precision Machining
Automated CNC machining with tolerances as tight as ±0.005mm.
Our Legacy
Ningbo Junma New Material Technology Co., Ltd., founded in 1990, is a member of the Powder Metallurgy Branch of the China General Machine Components Industry Association. Spanning 18,000 square meters with a total investment of over $20 million USD, we specialize in manufacturing powder metallurgy (PM) mechanical parts for automobiles, motorcycles, power tools, and home appliances. Over 40% of our products are exported to Europe, Asia, and the Americas, supported by a workforce of over 300 employees.
Passed Marelli Audit
Began supplying components to major European automotive manufacturers.
Passed Hitachi Astemo Audit
Began supplying components to major Japanese automotive manufacturers.
Passed BWI Audit
Began supplying components to major European automotive manufacturers.
Relocated to New Plant
Expanded facility to 18,000 sqm with state-of-the-art manufacturing technology.
Obtained IATF 16949 Certificate
Implemented a quality management system compliant with international standards.
Passed KYB Audit
Began supplying components to major Japanese automotive manufacturers.
Passed Tenneco Audit
Signed long-term supply agreement for next-gen adaptive suspension systems.
Company Founded
Started as a specialized component manufacturer in Zhejiang Province.
Ready to discuss your OEM requirements?
Our engineering team is ready to assist with technical specifications, prototyping, and mass production schedules.
Sales Department
xs@yhfmyj.com.cn
Response within 24 hours
Factory Address
Ningbo, Zhejiang, China