With the rapid development of the domestic economy in recent years, while people's living standards continue to improve, people's concerns about "food safety" have become increasingly prominent. Unlike in the past, people only value food packaging, taste, price and other perceptible factors, but pay more attention to food safety. However, in the current mixed market environment, in order to effectively distinguish food, there must be relevant marking information that can be used for identification.
In the past, we mostly used two methods such as printing and spraying for food information. However, these two marking methods can be modified as long as ink is used. The traceability of the marking information cannot be guaranteed, and it is easy to cause the marking information. Was tampered with.

Packing box QR code marking
In order to effectively improve the durability of the marking information, a more effective measure is to use a laser marking machine for marking. Because laser marking is a marking method that uses high-energy density laser to locally irradiate the workpiece to vaporize the surface material or produce a chemical reaction of color change, thereby leaving a permanent mark, it has high marking accuracy, high speed, and Clear markings and other characteristics, the entire marking information is portrayed on the product packaging, so it is difficult to tamper and counterfeit.