Products U Type Combined Seal for Reciprocating,U-seal ring Click to enlarge image We specialize in producing rubber seals, seal rings and oil seal for use in many fields such as steel industry, metallurgy industry, mining industry and so on, which act as sealing and dustproof. Mainly products include J-oil seal of Dia. 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 producing according to your drawings and samples. Due to the high quality, a resonable price and perfect service, our factory has been commended by the consumers from at home and abroad.