... .It adopts double photocell correcting deviation,micro-computer control,color screen display.out device of machinery transmission,pneumatic blade.pnumatic pin ... of sealing60mm60mm70mmdiameter of unwinding600mm600mm700mmOverall dimension8000x1400x1750mm8000x1600x1950mm8000x1800x2150mmtotal power19kw22kw24kwWeight4000kg5000kg5500kg three side sealing,stand-up,zipper,middle sealing bag making machine