What is a healthy refrigerator, and what is the meaning of the healthy refrigerator promoted by Konka Refrigerator?

There are three main levels of healthy refrigerators, one is antibacterial, and most of them are antibacterial materials, such as nano silver. The second level is sterilization level, and the third level is disinfection advocated by a few refrigerator brands. Konka health refrigerator basically covers the above three levels, which is considered as a relatively advanced health refrigerator.