... vacuum vulcanizing press, injection machine, frozen trimming machine, automatic oil seal lip lathe, and capacity for their tool and dimension ... , aging tester, tensile tester, hardness tester, high temperature oil resistance tester.- Rubber products could be any type: Metal ... ABS, bakelite, polyoxymethylene etc1. Mechnical Oil-seal Skeleton oil seal, U -oil sea, J-oil seal, L-Oil seal, V-ring, Y-ring, ...