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, perennial distribution of Baotou Steel, Tianjin Steel and other steel thick-walled seamless steel pipe, buried on both sides of my factory arc welding process is second to none in North China, 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. Tel: 13833778911 Fax :0317 - 6083098