What is the standard of Nongfu Spring freezer?

Answer: Nongfu Spring freezer is put into supermarket 500 yuan every month.

Consult the salesman of Nongfu Spring and generally buy a certain amount of goods at a time. Moreover, other brands of goods are not allowed to be put in the freezer. It seems that the refrigerator needs a deposit. If they violate the rules, they have the right to take back the freezer.