... rings, rubber gaskets, washer, custom rubber for the world in good quality and reasonable price. Shenzhen Xinhuaxu(XHX )Rubber Products Co ... rings, Gaskets, Washers, Grommets, Bushing, Gear and other rubber parts. Our Material: Nitrile(NBR), HNBR, EPDM, Silicone ... 2000 setsWorker 150Staff25-30QC8-10Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, ...