... , Detailed Product DescriptionMachine consist of uncoiler and its base, coil sheet guiding equipment, film covering device, roll forming system, post cuttingMachine ... % waterproof, due to the lateral run-off channel on each sheet for several models.3.The raw material can be in ... steel at Φ 70mmCutting blade: Cr12 mould steel with quenched treatment. Z shape steel purline roll forming machine