... sales service Corrugated Sheet Roll Forming MachinePrecision designLonger lifetimeBest after-sales serviceOur company supplies varies kinds of digital machines such as ... below is the corrugation machine:1. Material: Galvanized sheet, steel sheet, PPGI sheet, tinplate, etc2. Thickness: 0.14mm-0.7mm3. ... Relay type X one(1)7. Up & down device for corrugation and pitch adjusting rolls: Screw X four(4), ...