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Hebei ZHongyuan Steel Pipe Manufacturing Co., Ltd
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About Us
We are a professional manufacture of steel pipe, producing welded pipes and casing pipes. We also can do external and internal coating of the pipes.
Our products is as follows:
ERW (Stretch reduction) pipe.
Outside diameter: min. 3��(88.9mm) max. 24��(610mm)
Wall thickness: min. 4mm max.12.7mm
the whole ERW pipe body is hot treated and then stretch reduction from bigger diameter to smaller diameter. the weld seam can not be seen by eyes, and its performance is similar to seamless ...
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