1. Double transducer control, flexible bag length cutting, operator needn't to adjust the unloading working, saving time and saving films.2.human-machine operation, convenient and quick parameter setting.3.Self diagnosis failure function, clear failure display.4. High sensitivity optical electric color mark tracking ，digital input cut position which makes the sealing and cutting more accurate.5. Separate PID control to temperature, suitable for various packing materials.6. Stopping the machine in selected position, no sticking to the knife and no waste packing film.7. Simple driving system, reliable working, convenient maintenance.8. .All the controls are achieved by software, convenient for funcOptional device 1. Code applying machine2. line sealing wheel3. Moire terminal sealing mould4. Extra big screention adjusting and upgrading.