Food self-heating packaging cans

Food self-heating cans are self-heating cans that can store heat and self-heat food and drink. It is composed of a food-loadable inner shell and a heat-storage shell. Mainly suitable for packaging liquid foods and liquid-solid mixed foods such as milk, canned porridge, rice wine, etc., can replace the existing ordinary packaging when no heating is needed. When heating is required, only pulling the exposed wire outside the tank or opening the bottom lid of the tank When the isolation plug is pulled open, the heat-generating agent stored in the cavity of the tank begins to produce heat to release the reaction heat and heat the food in a short time.