Hebei Yuancheng Industrial Co., Ltd. is a collectivized enterprise. Its headquarters is located at No. 10, Jinguang Street, Economic and Technological Development Zone, Cangzhou City, Hebei Province, and it is subordinate to Yuancheng Spiral Steel Pipe Factory; Sanya Mingming Trading Co., Ltd; it is a diversified enterprise that produces and sells spiral steel pipes (SSAW), acts as an agent and sells straight seam submerged arc welded steel pipes (LSAW), steel pipe anti-corrosion, heat preservation, sells seamless steel pipes, coil plates, strip steel, Baosteel steel pipe agents and Baosteel accessories supporting processing services, as well as elbow, flange, tee, reducer and other pipe fittings. The company has about 200 employees, including 56 senior engineers, 34 intermediate titles, and 43 technicians. Annual output of "yuan into" brand D219-D2432, wall thickness 6-25mm double-sided submerged arc welding spiral steel pipe 200000 tons. All use today's advanced production equipment and Lincoln automatic submerged arc welding machine, and equipped with online digital ultrasonic flaw detector, hydrostatic testing machine, X-ray real-time imaging, universal material testing machine, Charpy material impact testing machine and other complete quality inspection instruments. The company's products have been inspected by the "China Petroleum Industry Special Pipe Quality Supervision and Inspection Center" and all meet the standards.