We produce o rings, rubber gaskets, washer, custom rubber for the world in good quality and ... Co., Ltd is a manufacturer in various rubber sealing kits, our main products including O rings, Gaskets, Washers, Grommets, Bushing, Gear and ... etc.Tooling over 2000 setsWorker 150Staff25-30QC8-10Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon ...