... mainly to Africa, South America, Asia, Europe and other areas of the world.More specifications: Machine Type840-900 double layerMaterial specNo ... , galvanized steel sheetMain motor power4kw, 2 setsForming speed8-10m/minDiameter of shaft75mmWheelNo.45 forged steel, plated hard chrome on the surfaceThickness ... certificate: Steel roof double layers roll forming machine to make different shapes of panels