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