Established in 1989, began to foreign trade at 2011.We are professional heavy vehicles parts manufacturer. Products includes Clutch Booster,Air Dryer,Brake Chamber,Hand Brake Valve,Foot Brake Valve,Relay Valve,Four Circuit Protection Valve,Unloader Valve,Leveling Valve,Trailer Control Valve,Valve Cover,Slack Adjuster,Button Valve,Quick Release Valve,Cut Off Valve,Check Valve,Quick Coupling Valve for Vehicles,like Mercedes Benz, Volvo,Daf,Wabco,Isuzu,Hino,Daewoo,Man,Scania,Neoplan,Iveco,Ford,Zf etc.. Zhuji Dongsan Auto Parts factory is a manufacturer specialized in the research,development and production of clutch booster,air dryer and kinds of truck valve.We are located in Zhuji,with convenient transportation access.All of our products comply with international quality standards and are greatly appreciated in a variety of different markets thoughout the world. If you are interested in any of our products or would like to discuss a custom order,please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.