Tianjinlangegangtiexiaoshouyouxiangongsi

Lange Tianjin Steel Tube Manufacturing Co 15 ×%0 15-500 ×%0 500, thickness 0.8mm-14.0mm square tube 20 * 20-200 * 200 wall thickness 0.3mm-13mm square tube; 20 * 40-100 * 200 rectangular wall thickness 0.3mm-13mm 19mm-219mm diameter pipe and the pipe, over a variety of shaped tubes, as well as non-standard pipe length of special specifications and do not control.