Hebei Chengyuan Pipeline Manufacturing Co., Ltd. was established on August 1, 2017, with its registered address in Puwa Development Zone, Yanshan County, and its legal representative is Guan Bingfu. The business scope includes the production of spiral steel pipes, straight seam steel pipes, seamless steel pipes, petroleum casings, and polyurethane insulated steel pipes; Processing 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, epoxy powder anti-corrosion steel pipes, coated composite pipes, non-toxic drinking water pipes, hot dip plastic cable pipes, gas pipes, threading pipes, fire protection steel pipes, and epoxy resin composite steel pipes for coal mines; Sales of pipeline equipment accessories, pipes, plates, wires, and steel; To engage in the export business of our own products and technologies, as well as the import business of mechanical equipment, spare parts, raw and auxiliary materials and technologies required by our company, except for goods and technologies that are restricted or prohibited from import and export by the state.