Food safety has become a top topic that customers are talking about recently.
The information of printing date can be changed within three years as long as it is marked by ink whether by printing or coding. Some of the sellers sell illegal food which has been or will be expired by doing that. The most effective way of preventing this from happening again and again is to use laser marking so that the date and other information are engraved by laser on the packaging.
A variety of patterns can be marked on the packaging by laser marking machine. It has a traceability of printing information, which greatly improved quality control. Moreover, laser marking is cheaper than inks in the long run because of no consumables.