The chemical plant is designed for the 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 mills posterior wall seamless steel pipe, I plant the double-sided submerged arc welding process in North China's premier technical staff of 35 people, thermal expansion pipe equipment unit is a unit imported from Germany, the error is small, precise scale. Welcome to come to visit and negotiate. Tel: 13833778911 Fax :0317 - 6083098