... production line are as follows:Bar Φ10-25mm debar, max rolling speed 11m/s; wire-rodΦ6.5 mm, ... Φ8 mm, Φ10 mm, max rolling speed 18m/s; section steel is mainly flat steel ... section is mainly 120x120, 150x150 and 160x160 mm with annual production capacity up to 100,000 to 200,000 tons ... uses walking beam notch-bar type automatic cooling bed, and it is with cold steels front end aligning device ...