usesage: it integrates of electricity and optics, adopts the technology like: plc computer control, double servo-motor, double frequency converter, photocell deviation-correcting pneumatic transmission etc. it adopts automatic unwinding system, devilment system, tension control system, five-bridge vertical sealing blade hot sealing and recycling cooling water adhesive equipment, heating temperature pc control system etc. it can produce all kinds of bags by means of auxiliary spare parts refer to the requirements. the machine has a high automation, large efficiency and multiplicity, and widely be used for the three edge sealing of plastic laminating film, aluminum-plastic film, paper-plastic laminating film. what's more, it is can be used to produce stand-up bag, concave-convex bag and zipper bag etc.