... facotory located in shenzhen in 2004,produce various size o rings,rubber gaskets,washer,rubber seals custom rubber parts. ... in various rubber sealing kits, our main products including O rings, Gaskets, Washers, Grommets, Bushing, Gear and ... Resistance, Animal and Vegetable Oil Resistance, Alcohol Resistance, Acid Resistance, Aliphatic-Solvent Resistance,Aliphatic Resistance, Aromatic Resistance,Oxygen ...