Texas chemical plant designed for high-quality straight seam steel pipe ---- the Everbright chengye Pipeline Equipment Manufacturing Co., Ltd. exclusively for --- Our company specializes in the production of thermal expansion of steel pipe, spiral steel pipe, high-frequency welded pipe, the annual distribution of Baotou Steel, Tianjin Steel and other steel posterior wall seamless steel pipe plant, I plant sided submerged arc welding process in North China's premier, 35 technicians, thermal expansion pipe equipment unit is the unit imported from Germany, the error is small, precise scale. Welcome to come to visit and negotiate. Phone: 18331786134