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 .