1, cold storage is actually a kind of low-temperature freezing equipment, the freezing temperature is generally between-10 degrees and-30 degrees, and the amount of frozen food stored is relatively large. Cold storage, also called refrigeration, is also a kind of refrigeration equipment. Compared with the refrigerator, its refrigeration area is much larger, but their refrigeration principle is the same. It is divided into four categories: high temperature, medium temperature, low temperature and ultra-low temperature.

2. Cold storage is suitable for the storage and preservation of all kinds of vegetables and frozen foods (frozen fish, frozen meat, cold drinks, etc.). ), medicines, etc. In the north and south of China. So refrigeration includes freezing and refrigeration.