Tianjin Lianzhong Steel Company Limited   

The company's existing high frequency welded pipe units of 10 sets, three continuous rolling production line, pickling production line four, cut six production lines, with an annual output of 19mm diameter 340mm, wall thickness 0.8mm 13.0mm straight welded pipe, square pipe, rectangular pipe 200 thousand tons, 100 thousand tons of cold-rolled strip 0.2mm 1.5mm. Welded pipe, square tube, rectangular tube, hot rolled strip, cold rolled strip...