... oil pan gasket, diaphragm for brake, axle seal, transmission seal, valve stem seal, rubber boot, hydraulic seal, crutch, grommet, bush and damper, air ... include the very small parts).We also could supply plastic precision injection or molded parts for electronic or electric ... bakelite, polyoxymethylene etc1. Mechnical Oil-seal Skeleton oil seal, U -oil sea, J-oil seal, L-Oil seal, V-ring, Y-ring, Z ...