Wenzhou shuangyan piston ring Co., Ltd. is one professional manufacturer of producing automobile fittings,motorcycle fittings,diesel locomotive fittings-piston rings. Our company stick to the objective of "high-standpoint,high-quality and creating the famous brand",take science and technology as guide,have imported foreign advanced technology and equipment,with superior detecting equipments and complete detecting method. The products are widely used at home,but also exported to Southeast Asia,the Middle East Africa,etc. and enjoy a good reputation among customers. Welcome customers at home or abroad to negotiate with us for cooperation by phone,correspondence or providing samples,and we&＃039;ll try our best to serve you.