... than ten year experience in powder metal industry. Our company is closely cooperating with local key university for researching ... hydraulics, textile machine, hardware, power tool etc.Our main products for Automobile Industry as below:1. Piston, valve seat, guided ... door-hinge. Main regular customers are Chery Automobile Co,.Ltd, Shanghai BYD Company Ltd., Anhui JAC Automobile Co. 5. Bi-metal bush ...