Cangzhou Spiral Steel Pipe Co., ltd is professional carbon spiral steel pipe manufacturer (greentea55(at)yahoo(dot)com) with a history of 14 years and its annual output is 160,000 tons of spiral steel pipe.
The co***ny has six production lines.The product is spiral double-faced submerged-arc welded pipes. Now the diameter is from 219mm to 2520mm and wall thickness is from 5mm to 20 mm. Our product comply with the standard of GB/T9711.1-1997 and API 5L, the material can be Q235A,B, 16Manganese and X42-X70...
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