In recent years, “food safety” has been a hot topic. Nowadays, people no longer only pay attention to packaging, taste and price, but pay more attention to the safety of food consumption, but little-known is that the food packaging on the market is mixed, and even the most believed shelf life can be faked. As an advanced laser processing equipment, laser marking machine is used in the food packaging industry, which will help to curb the “date game” on food packaging from the source.

An industry insider said: “Whether it is printing code or inkjet code, as long as ink is used, it can be altered. The printing time information can be adjusted arbitrarily within three years.” As for the issue of altering the shelf life of food, from large enterprises to Small traders, most of them know it well. Only consumers are kept in the dark by “hidden rules”, which seriously violates the rights and interests of consumers.

Using laser marking, the production date and other information are “engraved” on the packaging with a laser. Laser marking is a marking method that uses a high-energy-density laser to locally irradiate the workpiece to vaporize or change the color of the surface material, thereby leaving a permanent mark. Features such as clear marking.