Portable Cold Storage(Portable Cold Room) is generally a steel structure framework, supplemented by thermal insulation wall, top cover and underframe, which meet the functional requirements of thermal insulation, moisture-proof and cooling. The thermal insulation of mobile integrated cold storage is mainly composed of thermal insulation wall (wall), top plate (patio plate), bottom plate, door, support plate and base. They are assembled and fixed with special structural child and mother hooks to ensure excellent heat insulation and air tightness of the cold storage.