... .Offer OEM silicone gasket ring Item#O Ring ROR-S0007Material NBR, HNBR, NBQ, FKM, CR, PDFE, EPDM, SILICONE . ect.ColorAvailable in ... Gram, Western Union. Certificate We Owned: Capability of our company: NBR, HNBR, NBQ, FKM, CR, PDFE, EPDM, silicone gasket ring ...