Rubber Seal: 1.Certificate:TS16949 2.heat resistant rubber 3.Different sizes, from DN50-DN300 4.Customized rubber gasket black rubber sealing partsShanghai Yisen Rubber And Plastic Products Co.,Ltd has established in 2000.Goal:we aimed to help its own clients to give life and shape to their ideas toward aimed production.Certificate: ISO/TS16949 & CTI test reportRaw materials:NR ,CR,NABR,SBR,FKM, ...