... various size o rings, rubber gaskets,washer, custom rubber and seals, molded rubber Shenzhen (Xinhuaxu)XHX Rubber Products Co., Ltd is ... O rings, Gaskets, Washers, Grommets, Bushing, Gear and other rubber parts. Our Material: Nitrile(NBR), HNBR, EPDM, Silicone, ... setsWorker 150Staff25-30QC8-10Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon, ...