Mesh belt freezer is a method of placing frozen products on a conveyor belt and achieving better heat dissipation and rapid freezing through high-pressure air blowing. It can be divided into single mesh belt, double mesh bags, multi-layer mesh belt, impact mesh belt, ultra-low temperature mesh belt and other types. It is mainly used for quick freezing of conditioning food (dumplings, rice dumpling, steamed stuffed buns), aquatic products, meat, poultry products.