1.Paper weight: 30-180 gr/m kraft paper,art paper,white paperboard,complex paper 2.High precision PLC control system Paper weight: 30-180 g/m² kraft paper , art paper , white paperboard, complex paper ….Pneumatic axis , magnetic induction and automatic tension control Automatically feeding , gluing , folding “M” sides (or do not fold “M” sides),creasing ,cutting ,forming the tubes High precision ...