China Cangzhou Spiral Steel Pipe Co., ltd ( E: greencloud55 at gmailcom Q: 741952741 M: zhangli.interesting at hotmailcom ) is the largest and most professional SSAW pipe manufacturer in North China....
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....