... various size o rings, rubber gaskets,washer, custom rubber and seals, molded rubber Shenzhen (Xinhuaxu)XHX Rubber Products Co., Ltd is ... and other rubber parts. Our Material: Nitrile(NBR), HNBR, EPDM, Silicone, Fluorine(FKM,FPM), Neoprene(CR),Styrene(SBR) ,CR, ... 10Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon, SBR, Neoprene(CR),Butyl(IIR), ...