Ouken Rubber was founded in the year 1999,specialized in custom molded rubber products including rubber seals,rubber gasket,rubber washer,silicone parts,EPDM gasket,oil seal,valve stem seal,standard and non-standard o ring,PTFE seals with wide range of material including Silicone rubber, Natural rubber, Fluoroelastomers(Viton,FKM,FPM), Nitrile(NBR), EPDM, Neoprene(CR), ACM,and Fluorosilicone .