Oil Seal, O-Ring, Seals manufacturer / supplier in China, offering Air Condition Parts PTFE Teflon NBR Rubber Flat Washer Seals Ring Gasket, Hammer Union Seals in Nitrile for Standard Service and in Viton (FKM) or HNBR for Sour Gas Service, Auto Parts Viton NBR Tc Rod Oil Rubber Gasket Mechanical Seal and so on.