Placing: Carefully take out the mango slices and place them on the drying tray one by one. Lay them flat and do not stack them. Drying: Start the air energy heat pump dryer and set the mango drying parameters: Drying stage 1: 65℃-68℃, high temperature baking for 5 hours; Drying stage 2: 60-62 ℃, the mango slices are continuously dried for