We are a Chinese supplier specialize in Production , Design & Developing of automobile piston, compressor piston & pin at the request of customer , we also provide piston ring for complete sets . There are 7 piston production line with annual production capacity of 2.8 million sets , with more than 100 models , 300 specifications of various automobile are being manufactured as complete sets . we have physical-chemical analysis equipments such alfin piston ultrasonic detector , piston oil cooling channel detector etc . with ISO9000 certification ,we have export to Poland , German ,South Africa , Korea ,Hongkong , Pakistan in a large quantity .