... .Certificate: TS16949 2.Auto use rubber seal 3.Customized rubber par Shanghai Yisen Rubber And Plastic Products Co.,Ltd has established ... ,CR,NABR,SBR,FKM,EPDM,SILICONE etc.,Range of rubber products : Rubber sealing, Piping valve, Gasket,Rubber plant, Oil ... seal,O-ring, Special Forming parts.Appliced in various fields: Auto/Motorcycle, Piping valve, Metal mixing parts, household electrical appliances, ...