Full-automatic ERW steel tube mill/pipe mill line is the first full-automatic pipe making machine in china to meet the requirements of the international market, according to our company LW series unit combined with FF forming technology, developed the automatic square and rectangular tube equipment. The pipe making machine can produce a certain specification of opening cold bend steel, such as U,C section steel etc., width and height of the product can be adjusted infinitely. The steel making machine is used to scale to cut off the steel tubes, the incision level off, smooth, without burr, scale with high precision.