This equipment is the full automatic computer continuous-rolled S type and eight folding continuous-rolled vet bag making machine, which is developed and manufactured by ourselves according to the requirements of the exported film packaging bag enterprise. Its the machine mainly suitable for LDPE, HDPE etc. kinds of heat melting film. It has such functions as photocell control automatic feeding, photocell control pneumatic components sealing, photocell automatic tracking, automatic counting, automatic roll-changing when reach the set value, orderly rewinding. Its the most ideal equipment for producing S type bag on roll and eight folding vest bag on roll nonstop.