... use in motor car engine seal, and each king of engine's seal. Our products:O-Ring, Oil Seal, Gasket, U-Ring, Quad-Ring ... , Glyd-Ring, Step Seal, Mechanical Seal, Extrusion Seals, Rotating ... , PTFE, POM, NYLON) Products, HDE, PVC, PP, Metal Parts and so on. Its seal products are widely used in Auto, Environmental, Sanitary ...