Pipe Coating of coal tar epoxy glass cloth ---- The company specializes in production of thermal expansion seamless steel pipe, has five thermal expansion of the unit, 273-1020 * 6 * 45 seamless steel pipe production, and the annual distribution of Baotou Steel, Tianjin Steel steel seamless pipe, more than 1,000 tons of inventory model is complete, welcome friends from all walks of life come to buy.