... located in shenzhen in 2004,produce various size o rings,rubber gaskets,washer,rubber seals custom rubber parts. Shenzhen ... etc.Tooling over 2000 setsWorker 150Staff25-30QC8-10Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, ... Low and High temperature Resistance, Oil and Fuel Resistance, Animal and Vegetable Oil Resistance, Alcohol Resistance, Acid Resistance, Aliphatic ...