Is professional carbon spiral steel pipe manufacturer

with a history of 14 years and its annual output is 160, 000 tons of spiral steel pipe.
The company has thirteen production lines(old factory has 6 production lines, the new foactories have 7 ).

Now the diameter SMS from 18 to 820mm( 1/4 " - 7 " ) and wall thickness is 2to 80mm. DSAW Outer Diamter: 219.1mm - 4064mm ( 8 " - 160 " ) Wall Thickness: 3.2 mm - 40mm Our product comply with the standard of GB/ T9711.1-1997 and API 5L API SPEC 5CT APE SPEC , the material can be Q235A, B, 16Manganese and X42-X70 J55, N80 A, B, 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 Portugal, Argentina, USA, Canada, Iran, UAE, South Africa, France, etc. We ensure to supply good product and service for all our customer. Hope to establish good business relationship with you!