Fresh items such as: vegetables and flowers, fruits, fresh vaccines, fresh aquatic products, electronic components, the general temperature requirement is 2-8 degrees.
Cold items such as: acid-expelled meat, river seafood products, soy products, vaccine products, medical waste quasi-transportation, chocolate and so on. The general temperature requirement is between 0 degrees and -5 degrees.
Frozen items such as: frozen food, frozen seafood products, frozen meat products, etc., the general temperature requirement is -10 degrees to -18 degrees.
Deep frozen items such as: advanced ice cream, high-risk goods, advanced bread live yeast dough, the general temperature requirements are between -20 degrees to -45 degrees.