Hebei Cangzhou Huahai Steel Tube Co., Ltd.,sit and gather around in Bohai Sea Gulf, borders on Beijing and Tianjin in the north, border on Shandong in the south.The geographical position is superior, easily acc-essible. Our company produce and sell various type,thermal expansion control of seamless hotrolled steel, highfrequency welded pipe, seamless pipe.The implementation of standards such as Q235B, Q345B,20#,16 manga-nese. Meanwhile production flange, elbow three links, the size of various models top tube.Companies on the three new large diameter ......
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