... : Silicone, Rubber 2.Spec.: We mold all sizes 3.OEM available 4.ISO 9001:2000, Rohs certified Silicone Rubber ... Rings, Auto Rubber Sealings, O Ring..)Material Available Silicone,NR,NBR,EPDM,CR,IIR, etc.ColorBlack,BlueSizeWe ... , ChinaServices OfferedPrototype / Market Entry Molding, Low Volume Production, High Volume Production,Micro Molding, Insert Molding, Material Selection, Packaging / Shipping ...