... manufacturer in various rubber sealing kits, our main products including O rings, Gaskets, Washers, custom mold rubber and other rubber seal kits ... , molding equpment etc.Rubber Mouldingover 2000 setsWorker 150-200Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone ... via email kim.rubber at xhx168.com 1mm thick rubber o rings