Ganzhou Dachang Air Conditioning Equipment Engineering Co., Ltd. produces and sells a wide range of products across the country, including but not limited to vacuum precooling machines (such as standard vacuum precooling machines, vegetable-specific vacuum precooling machines, fruit and vegetable vacuum precooling machines and cooked food vacuum precooling machines), vacuum insecticidal equipment (archival vacuum insecticidal machines, real vacuum insecticidal machines Air-filled nitrogen insecticide machine), low-temperature freezing ozone disinfection cabinet, thawing equipment series (thawing machine, low-temperature and high-humidity thawing equipment), freeze-drying equipment series (freeze dryer, vacuum freeze dryer, covering many fields such as food, medicine, fruits and vegetables), cultural relics archive repair equipment, ultra-high pressure sterilization equipment and vacuum odor removal equipment.