light keel steel roll forming machine 1. best service 2. best price 3. easy operation 4. ... to length--product to stand2. Main Equipment decoiler, main forming machine, hydraulic cutting, product stand, hydraulic system, electric system.3. Technical ... .3)Cutting device1.Material: blade, puncher and mold material: Cr12 steel with quenched treated 60-62°C2.Cutting system: advanced hydraulic drive ...