... roll forming machine 1,YX840-900 model 2, PLC control 3, With CE,ISO certificate 4 ... forming machine ..we can design it according to your demands,...Company introduction:Zhenyuan Roll forming machine ... .45 steel, galvanized steel sheetMain motor power4kw, 2 setsForming speed8-10m/minDiameter of shaft75mmWheelNo.45 forged ... roof double layers roll forming machine to make different shapes of panels