Food safety has always been one of the key objects of human concern. In this era of rapid development, everyone is rushing to a well-off society. The consumption can not be contained, then in the field of consumer goods industry, packaging has been a particular concern, food safety is listed as the top priority. Among them, the safety of food packaging bags is particularly important.

Food packaging bag is an important part of the commodity, in addition to facilitate the preservation, storage and protection of food and other functions, but also through the information on the packaging bag, access to food source, food ingredients, food shelf life, storage conditions and other information. But commodity transportation, contact and other factors, ink marking is often easy to appear "easy to erase, easy to fall off" problem; At the same time, there are criminals who will erase the production date of the nearly expired product, and then spray on the new production date to continue to sell in the market. This has a huge impact on people's health and seriously undermines the principles of the market.

The laser marker

Laser mark is the use of high energy density of laser local irradiation was carried out on the workpiece, the surface material vaporization or change the color of chemical reaction, so as to leave a permanent mark of a method of marking is marking high precision, high speed, clear and pollution-free characteristics such as environmental protection, the tag information is portrayed on the packaging of the product, so it is difficult to tampering and counterfeiting; But also can establish link database system, let us track in time, inquire the latest trend of the product. Therefore, the information marked by the laser marking machine is used for packaging bags, such as the production date, the source of food and so on. Clear, eye-catching, permanent do not fall off, erase will destroy the packaging; And environmental protection, no consumables, but also can effectively inhibit illegal elements, for the public food safety issues to provide the role of umbrella.