we specialize in producing rubber seals, seal rings and oil seal for use in many fields such as steel, metallurgy, mine and so on, which act as sealing and dustproof. main products include j-oil seal of dia. 500--1500mm, u-ring, rbr type seal for rolling mill, skeleton oil seal, outer steel skeleton oil seal, large dust proof gasket. materials: nr, nbr, fpm, si, reclaim rubber. we can produce according your drawings and samples. due to the high quality, a reasonable price and perfect service, our factory has been commended by the consumers from at home and abroad.