Cold storage panels are generally pre produced by manufacturers with fixed length, width, and thickness. For high and medium temperature cold storage, 10 centimeter thick panels are generally used, while for low-temperature storage and freezing, 12 centimeter or 15 centimeter thick panels are generally used; So if it is not a pre ordered storage board, attention should be paid to the density of the storage board and the thickness of the steel plate when purchasing. The thickness of the steel plate from a regular manufacturer is generally above 0.4mm, and the foam density of the cold storage board is 38KG~40KG/cubic meter according to national standards.