Our facotory located in shenzhen in 2004,produce various size o rings,rubber gaskets,washer,rubber seals custom rubber parts. Shenzhen (Xinhuaxu)XHX Rubber Products Co., Ltd is a manufacturer in various rubber sealing kits, our main products including O rings, Gaskets, Washers, Grommets, Bushing, Gear and other rubber parts. Our Material: Nitrile(NBR), HNBR, EPDM, Silicone, Fluorine(FKM,FPM), ...