Ganzhou Dachang Air Conditioning Equipment Engineering Co., Ltd. produces and widely sells a wide variety of products throughout the country, including but not limited to vacuum pre cooling machine series (such as standard vacuum pre cooling machine, vegetable specific vacuum pre cooling machine, fruit and vegetable vacuum pre cooling machine, and cooked food vacuum pre cooling machine), vacuum insecticidal equipment (archive vacuum insecticidal machine, vacuum nitrogen filling insecticidal machine), low-temperature freezing ozone disinfection cabinet, thawing equipment series (thawing machine, low-temperature high humidity thawing equipment), freeze-drying equipment series (freeze-drying machine, vacuum freeze-drying machine, covering multiple fields such as food, medicine, fruits and vegetables), cultural relic archive restoration equipment, ultra-high pressure sterilization equipment, and vacuum odor removal equipment.