... Our vendors are ISO9001, QS9000 and TS16949 certified, they have rubber refine machine, precision performer, vacuum vulcanizing press, injection machine ... tester.- Rubber products could be any type: Metal bonded multi-lip seals, O ring, D rings, oil pan gasket, diaphragm ... for brake, axle seal, transmission seal, valve stem seal, rubber boot, hydraulic seal, crutch, ...