This machine is suitable for making barrel-type plastic vest bags of natural colour and colour-printed bound plastic vest bags ,It adopts advanced photoelectric eyes tracking which makes the printing pattern position accurate without error, the sealing synchronize with the heat-cutting without any pulling force and sealed bottom be firm and beautiful. Equipped with variable frequency speed regulating motor, it has many automatic position functions such an energy-saving, over-load, over-voltage and over-current, etc. And equipped with automatic counting device, it can arbitrarily set the binding quantity and can automatically discharge and reset after the bags are piled to the set quantity.