MZ320 packaging machine is an intelligent packaging machine composed of a frame, a film part, a molding part, a longitudinal sealing part, a transverse sealing part, a film transport part and a discharge part. The rack contains an electric box, which is equipped with a display screen, a temperature control meter and a switch and a cooling fan; The passing part is equipped with a pneumatic coding machine, and the simulating packaging film is provided. The moving part is driven by a servo motor. The whole machine is a high-precision automation equipment integrating light, gas, machinery and electricity, and each part can be equipped with appropriate sensors where needed to meet the operational needs. This device can of OPP/CPP, OPP/CE, PET/PE, NILO/PE packaging, packaging materials, such as the biggest bag length is 200 mm, maximum membrane is 320 mm wide; The transverse sealing and film transfer speed are adjustable, and the maximum speed can reach 60 packets /min