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;√ Application: automotive, industrial, medical, agricultural,etc;√ molding: compression, injection or transfer;√ Different colors and shapes are available;√ Customer's design or logo are welcome;√ OEM ...