高頻直縫焊管生產(chǎn)線，應(yīng)用于鋼管，鋁管的焊接，直徑從12毫米-500毫米，壁厚從0.2-18毫米。
High-frequency straight welded pipe production line, used for welding steel pipes and aluminum pipes,  OD diameter of 12 mm -500 mm and thickness of 0.2-18 mm.