Rubber O Ring, Rubber Seal, Rubber Product manufacturer / supplier in China, offering 60 to 90 Shore a Nitrile HNBR FKM Ffkm EPDM Silicone Rubber O-Rings, Abrasion-Resistant Anti-Extrusion FKM Wing Union Hammer Seals for Oilfield Manifold, Flexible Oil-Resistant High-Temperature 1502 Weco Rubber Union Seals for Hammer Connections and so on.