Hebei Changfeng Steel Tube Manufacturing Group Co.,LTD  is north China area specialized production ERW steel pipe mainstay enterprise.

We export large quantity to many countries because of our high quality and competitive price.

All pipes are produced mainly according to GB/T9711.1-1997, APISpec5L ,API 5CT standards. And the material adopts Q235, Q345, 10#, 20#, 16mn, L245, L290, L360,X42-X70. Our products  are widely used for pressure liquid transport, widely used for oil,gas,water and other liquid transportation, oilfield engineering, ductwork, construction,steel pile and oil&gas project which use pipe. 

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The company possesses the first class production and inspection equipment, digital control hydrostatic testing machine, online ultrasonic flaw detector, and X-ray detector, heat treatment, metallographic and flow detector etc, all reach the domestic advanced level.

All pipes are produced mainly according to GB/T9711.1-1997, APISpec5L ,API 5CT standards. And the material adopts Q235, Q345, 10#, 20#, 16mn, L245, L290, L360,X42-X70. Our products  are widely used for pressure liquid transport, widely used for oil,gas,water and other liquid transportation, oilfield engineering, ductwork, construction,steel pile and oil&gas project which use pipe.