When you choose a refrigerator, what kind of preservation advantages and disadvantages can the preservation temperature of ingredients show? If you walk into Meiling’s national counter in March, you will find that the answer is in one challenge after another. Since the demonstration of fresh ingredients in the national fresh-keeping activities of W3 Meisheng and W3 Meiling, the key fresh-keeping materials have been easily sold in the national fresh-keeping refrigerator, and the key products have been stored in the fresh-keeping activities of W3 Meisheng and W3 Meiling.