... 1.Certificate: TS16949 2.Auto use rubber seal 3.Customized rubber par Shanghai Yisen Rubber And Plastic Products Co.,Ltd has ... Certificate: ISO/TS16949 & CTI test reportRaw materials:NR ,CR,NABR,SBR,FKM,EPDM,SILICONE etc.,Range of rubber products : Rubber sealing, ... Piping valve, Gasket,Rubber plant, Oil seal,O-ring, Special ...