Hot rolled steel strips:material:q195.Q195l.Q215.Q235 width:145mm-355mm, thickness:2.5mm-4.0mm, output:1200000mt per year, standard:gb/t 3524-2005. Cold roll steel strip :material:q195.Q195l Width:27mm-520mm Thickness:0.3mm-2.0mm Output:300000mt per year Tolerance:width +/-0.2mm thickness +/- 0.015mm