... .OEM produce Shenzhen (Xinhuaxu)XHX Rubber Products Co., Ltd is a manufacturer in various rubber sealing kits, our main products ... including O rings, Gaskets, Washers, custom mold rubber and other rubber seal kits. Our Material: Nitrile(NBR), HNBR, EPDM, Silicone, ... customer’s demand. OEM produce different size and shape rubber seal kitsGood qualityCompetitive priceMore considerate