Cold storage temperature is +15 ℃ ~ +8 ℃ and +8 ℃ +2 ℃ +5 ℃ ~ -5 ° C, -18 ° C to -23 ° C. Cold storage widely used. Cold storage for a wide range of guesthouses, hotels, restaurants and a variety of food production plants, meat processing plants, dairies, beverage factory, ice cream plants, pharmaceutical plants, the blood bank center, epidemic prevention stations, processing plants and vegetables and etc.