... in various rubber sealing kits, our main products including O rings, Gaskets, Washers, Grommets, Bushing, Gear and other rubber parts. ... equpment etc.Tooling over 2000 setsWorker 150Staff25-30QC8-10Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM, ... facilities: Our test machine bellow to help us provide goods with exactly performance from customer's required. :