our  company  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 company 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 grade plate. The products are widely used in the long-distance transmitting pipelines of natural gas, petroleum, chemical industry, power, heat power and water source etc

    We passed ISO9001 Quality System Certification in 2000, passed the API 5L Qualification of American Petroleum Institute in 2006. Our goods accept the third party inspection such as GL, SGS etc. Our goods has export to so many countries such as , , , , , UAE, , , etc.