SUCCEED RUBBER Specialize s in producing and marketing varieties of seal products, l ike O-Ring, Oil Seal, Plain Washer, U-Ring, Glyd-Ring, Step Seal, Mechanical Seal and various Joint 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