Zhejiang Sanzhong Machine Co.,ltd is a professional manufacturer of air brake valves, brake chambers, clutch boosters, air dryers and slack adjusters for automobile. The company covers an area over 13,000 square meters and employ more than 130 workers.

The company has been honored as “AAA company” for several years and has the ISO/TS16949 international manage system certification . The brand “Sanzhong” has been awarded “Famous Brand in Zhejiang”. The company also have a stable and long-term cooperation with more than 10 domestic automakers.