professional design for manufacturing light steel keel, door frame, rack, stud & track, c/z/u purlin, etc Light Steel Keel Roll Forming Machine The ... as light-gauge steel, door and window frame, cable bridge, electric cabinet column, guardrail plate, etc. It can form galvanized steel, stainless steel, ... .Parameters model120150160180Forming thickness (mm)0.5-1.20.5-20.5-2.50.5-3.5Coil width(mm)30-25050 ...