The Mingchao machinery’s flip open-air dryer is mainly used for packaging bags after sterilization, with lots of water droplets, so as to prepare for the next process packing. It is also used to remove the surface water drops after cleaning the vegetables. After many turns, the water of the material is washed away, and the water drops on the surface of the bag are dry, especially the moisture of the fold can be blown dry, and it can be matched with the assembly line.