Jiangsu Tianyuan Steel Tube Co., Ltd. is located in the ancient city of Yangzhou City, with convenient transportation. Our first phase of investment is 0.5 billion RMB in a 150,000-square-meter plant. Our main machines are high-precision pierced machines, natural gas automatic temperature control heating furnaces and heat treatment furnaces, high-precision ultra-long cold-drawing machines, nine high-precision roller straightening machines, large-scale steel pipe polishing machines, oil casing car wire machines, screw coupling and hydrostatic testing machines, as well as head machines, cutting...