1,Design Piston ring;SZ Piston ring 2, U type 2 piston ring 3,Management: ISO9002, TS/16949 4,we have ... product draft!Remark: 1)Good quality,good packing,good finish 2)Competitive price,guarantee 100000km3)Secure service & Packing Details:Meet your ... according to the sample or product draft especially for you. U type 2 piston ring to Design