DQ320L vertical air conditioning packaging machine is suitable for air conditioning fresh packaging and tray sealing packaging for cooked food, cold fresh meat, fruit and vegetables, pasta and so on. DQ320L vertical air conditioning packaging machine is suitable for air conditioning fresh packaging and tray sealing packaging for cooked food, cold fresh meat, fruit and vegetables, pasta and so on. Equipment adopts vacuum pump, air flow (optional) air conditioning packaging form, equipment gas replacement rate high, fresh gas mixing ratio error small, packaging speed fast, all packaging parameters and performance reliable and stable, can ensure fresh food preservation achieves the ideal effect. Equipment adopts vacuum pump, air flow (optional) air conditioning packaging form, equipment gas replacement rate high, fresh gas mixing ratio error small, packaging speed fast, all packaging parameters and performance reliable and stable, can ensure fresh food preservation achieves the ideal effect.