Cangzhou Spiral Steel Pipe Co., ltd is professional carbon spiral steel pipe manufacturer ( zhangli greentea55( at) yahoo( dot) com) with a history of 14 years and its annual output is 160, 000 tons of....
Cangzhou Spiral Steel Pipe Co., ltd China, established in 1994.The company has six production lines now. The product is spiral double-faced submerged-arc welded pipes. Now the diameter of our product....