RUIAN WORUN AUTO PARTS CO., LTD.was founded in 2005 , The factory locates at the international auto industry base, Ruian City, Zhejiang Province, covers an area of 6000 square meters, building area of 16000 square meters. Our corporation specialize developing producing tensioner, tensioner pulley, idler. Products applicable to the global passenger cars, trucks, cars, minivans, engineering machinery and agricultural machinery. Furthermore, the company has become the secondary supplier of major brand and OEM service for sveral famous engine parts supplier. We insist the management tenet of “Equipped with High Technology, Succeed with High Quality”. To enhance the quality, WORUN indraught the appropriative equipment and has been certified by ISO16949:2009 international quality system. As to achieve lean production, we will provide precisely machined products according to customers’ requirements.