Food packaging film marking, using RFH 355nm ultraviolet laser 3W UV laser marking food packaging film without burning Ultraviolet laser high-definition marking food packaging film   RFH has a mature professor and doctoral level R&D team. With 13 years of experience in marking technology, the 355nm UV laser developed and produced has the characteristics of fast speed, high precision and high stability.   Food is the priority for the people, and food safety has always been an issue that the State Supervision Bureau attaches great importance to. In 2020, all aspects of domestic food safety will be raised to a new level, and the use of lasers for standardized, healthy, and traceable food packaging is possible Ushered in an explosive growth.