... machine, roll former, roll forming machinery, roofing former, roof tile machine, tile making machine, roof forming machine, cold roll forming ... , aluminium sheetsuitable material thickness: usually for thin wall/ roof panels: 0.3mm to 0.8mm(different usage different thickness ... customer's profile drawing requirementworking speed: for thin roof/wall panels without punching holes 20m/min ; 30m/min; 40m ...