Hebei ryuk yugyu, inc., located at 338 yaf road, kaiseri city, hebei province, produces, sells and sells grinding rubber, mechanical parts of mines, nylon plastics, rubber products, silicone products, polyurethane products, waterproofing materials and rolls, seals, rubber soft patches, coal mine accessories, buffer pads, rubber springs, conveyor belts, rubber polyurethane sifts, high-pressure ply tubes and aggregates, metal hoses, trifluoride tubes, metal repairers.