Manufacturer of various size o rings, rubber gaskets,washer, custom rubber and seals, molded rubber 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), Neoprene(CR),Styrene(SBR) ,CR ...