... paper folder,high speed paper folding machine XH-ZY297 Paper Folding Machine,paper folder,folding machineFunctionsSpecificationsModelXH-ZY297TypeOffice Use, Desktop. ... (Paper Thickness: 45-90g), other Special FoldsPaper Thickness45 to 135g, However, 135g cant be Double FoldedLoading Capacity ... Quality Paper, 55g/m2)Processing Speed40 to 100 Sheets/Min. (for Single Folding 55g/m2 of Fine Quality B4 ...