900 roofing sheet making machine beautiful outlooking good quality competitive price easy operation SpecificationEffictive width: 900 ... ~0.8mmForming speed: 8 m/minMaterial of roller: high grade 45# steel ,plated hard chrome on the surfaceComputer ... : DeltaFrequency converter: Deltaequipment Manual decoiler, main roll forming machine, hydraulic cutting device,hydraulic station, PLC computer control, ...