... size, compact structure and running stable;2. Four sides sealing, can pack more bags at the same time, high ... integrity of bag-sided pattern, Position accuracy.5. Filling,sealing,batch No.printing,perforation and cutting can be operated by ... Packing materials Alu-Pvc Composite film Packing materials paper-plastics Composite film Packing materials plastics –plastics Composite film Max width 900mm ...