... .Material NR 2.Good tensility,wearing 3.ROHS,ISO9001,14001 4.Type:O ring,X ring,V ring,U ring,etc Production ... rubber 2. Type:O ring,X ring,V ring,U ring,etc 3. Prolong machine life, reduce maintenance costs 4. Used for ... in the manufacturing different rubber products. Our main products contains o rings, rubber seals, rubber gaskets, rubber grommets,rubber washers, rubber ...