Refrigerated vehicles, as the name suggests, are vehicles used to cool goods. Professional definition is: to maintain the temperature of frozen or fresh goods enclosed transport vehicle.

It is commonly used to transport frozen food (frozen truck), dairy products (milk truck), vegetables and fruits (fresh truck), vaccine drugs (vaccine truck), etc.

A: average temperature of carriage is 12 ℃ ~0 ℃

Class B: average temperature of carriage is 12 ℃ ~10 ℃

Class C: average temperature of carriage is 12 ℃ ~20 ℃

Class D: average car is less than or equal to 0 ° C

Class E: average temperature of carriage is less than or equal to -10 ° C

Class F: average temperature of carriage is less than or equal to -20 ° C

There are also special refrigerators that are mainly used for the transport of biological products

Class G: average temperature of carriage: 8 ℃ ~2 ℃

Class H: average temperature of carriage is less than or equal to -20 ° C

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