Oil seal, Gasket, O-ring, U-ring, D-Ring,X-ring,T-ring, ... bonded multi-lip seals, O ring, D rings, oil pan gasket, diaphragm for brake, axle seal, transmission seal, valve stem seal ... kind of material: Silicone, PA, Viton, EPDM, Nitrile etc. or PTFE and PU seals.- Output capacity: over 5.0 million pieces ... cushionGR diamond ring, MT diamond ring, Hexagon ring Oil seal ,Gasket, Diaphrgam