... ring Item#O Ring ROR-S0007Material NBR, HNBR, NBQ, FKM, CR, PDFE, EPDM, SILICONE . ect.ColorAvailable in any color, according to ... carton for outside packing) or customizedCertificationISO9001(“SGS” of the year 2000 edition), FDA, LFGB, ROHS1) Any shape & color is available.2 ...