... various rubber sealing kits, our main products including O rings, Gaskets, Washers, custom mold rubber and other ... equpment etc.Rubber Mouldingover 2000 setsWorker 150-200Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, ... Impermeability Resistance, Oxygen Resistance, Flame Resistance,Heat resistance,Low and High temperature Resistance, Oil and Fuel Resistance, ...