... ' s Details: Product NameO ring(EPDM/silicone/Natural rubber/NBR/Viton/CR(Neoprene) )CertificateISO9001:2008,SGS.ROHS, ... your drawings or samples.MatetialNBR, NR ,EPDM ,silicone,recycled rubber etc.PackingInner packing: plastic bags;Outer packing: carton and ... wide range of valves and pipes, rubber seals, auto rubber parts, industry rubber parts, rubber roller used in the wrapping machine, ...