Rubber O- Ring, Rubber Ring, Rubber Rectangular Rings, Rubber V- Rings and other seals. As a Chinese factory, We supply rubber molded, And rubber to metal bonded parts for automotive Industries; OEM/ ODM rubber Parts, Such as O- Rings, Seals, Rubber gasket, Rubber foot, Rubber molded parts, Rubber sealing, Auto rubber parts, Etc. Materials: Butadiene (BR), Butyl isobutylene isoprene; O ring kits Material: Nbr 30, Nbr 70, Nbr 90, Viton 70, Viton 90, Epdm, Silicone, Hnbr, Cr, Nr and so on; Type: 102pcs, 225pcs, 382pcs, 386pcs, 404pcs, 407pcs, 419pcs and so on;