... .Certificate: TS16949 2.Auto use rubber seal 3.Customized rubber par Shanghai Yisen Rubber And Plastic Products Co.,Ltd has established in 2000 ... ,CR,NABR,SBR,FKM,EPDM,SILICONE etc.,Range of rubber products : Rubber sealing, Piping valve, Gasket,Rubber plant, Oil seal,O-ring, Special Forming ... the past ten years, thanks to the increasing requests of the clients for new items, we become more original ...