API steel pipe shelf ---- 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 mills posterior wall None seam steel pipe, I plant sided submerged 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. The public are welcome to visit and negotiate. Tel: 18331786134 Fax 0317-6083098.