Cangzhou Zhong Shun Steel pipe Trade Co., Ltd. is a large-scale materials circulation enterprises for the realization of one-stop service with a number of companies are now working together to achieve the strategic partner. Main Products: welded steel pipe, spiral steel pipe, seamless steel pipe, square away from the steel pipes, galvanized steel pipes, elbows, flanges and other pipe fittings. Can produce diameter 21.3-457.2mm, wall thickness 1.8-14.27mm in (ERW) ERW pipe, �219-�3020mm, wall thickness 5.0-30mm's (SSAW) double-sided submerged arc spiral welded pipe. 過426mm-�1220mm, The 8.0-60mm wall thickness .