... ratio 3.OEM&ODM: YES Product Description Item nameFlat o ring MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT,GLT ... rubber strip, oil seal, rubber tubing and various rubber, appliances, hardware and machinery, hydraumatic & pneumatic, vehicle & motorcycle fittings of various enterprises ... contact us, thanks. Details Show practical silicone rubber flat o ring HNBR FKM FPM VITON A VITON B GF GFLT GLT ...