Cangzhou Spiral Steel Pipe Group (CSSPG) Co., Ltd. is a large-sized, key metallurgic enterprise of Hebei Province in North China. It was formed in 2000 on the basis of Cangzhou Spiral Steel Pipe Co. Ltd, whose history dates back to 1994. CSSPG currently embraces six member companies with products varying from SSAW, LSAW, ERW, seamless steel pipes to 3PE pipes, galvanized pipes, casing pipes, etc. A Joint-stock corporation, CSSPG occupies an area of 600,000 square meters with a total asset of $530 million. It has an annual output of 600,000 tons of spiral steel pipes, 300,000 tons of LSAW, and 200,000 tons of seamless steel pipes. CSSPG has thirteen sets of SSAW pipe production lines, primarily producing double-faced submerged-arc welded pipes of diameters 159-3500mm, wall thickness 5-28mm, and material gradesQ235AB、Q345、L245、L360、and X42