Tianjin Yuantai Derun Steel Pipe Manufacturing Group was established in 2002 and is headquartered in Daqiuzhuang Industrial Zone, Tianjin. The company has an annual production capacity of 10 million tons.Tianjin Yuantai Group has 65 black high-frequency welded steel pipe production lines, 26 hot-dip galvanized steel pipe processing production lines, 10 p...