It is common for people to eat out without finishing or ordering too much. It is too bad to waste it. Naturally, they think of packing it and taking it away. However, what kind of packing box is better? How to pack to ensure food safety? Among them, Dr. Clove will tell you about it. What kind of packing boxes are available on the market? If you are interested in turning over plastic containers, you will find that their bottom or side near the bottom has the following signs: In fact, this is a kind of plastic classification commonly used in the world. Different numbers indicate plastics of different materials, and 1 ~ 7 in the middle of the figure Read More …