OEM rubber ring silicone rubber o ring colored rubber o rings silicone rubber,food grade silicone reliable manufacturer √ material: EPDM, SBR,CR, NBR, NR,silicone rubber;√ hardness: shore A 30-90;√ ... specialized in producing industrial silicone rubber products, such as rubber gasket, o-ring, silicone keypad,rubber pipe, rubber stopper, seals and other automotive rubber parts.Welcome to our ...