Plastic Mould Plastic Molding manufacturer / supplier in China, offering 225PCS O Ring Assorted Set-Black Rubber Seals Gasket for Plumbing & Automotive-Soft Flexible Washers for Sink, Tap, Air & Gas, 279PCS Hydraulic NBR Seals Green O Ring Set Nitrile Rubber O Ring, 180PC Double-Sided Wear-Resistant, Oil-Resistant Waterproof Nitrile Rubber Grommet Set Box and so on.