Our production bases cover most of China, with a production capacity of 300,000 MT annually, Size range from Seamless pipe: O.D.6--325mm, W.T.0.8--25mm. (Cold Drawn Round Tube). O.D.141mm--610mm, W.T :5--25mm (Hot Rolled Round Pipe). 12mm-300mm*12mm-300mm*1.25-15mm(Seamless Square Tube) 25.4mm-100*70-100mm*1.25-7.0mm (Seamless Rectangle Pipe) Standard: 1, High pressure boiler tubes are mainly supplied as per GB5310-1995,and equivalent international standards : ASTM A106-96a ,AT...
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