The marking effect of 355nm nanosecond UV laser is amazing, instead of ink coding   UV laser marking is currently the most popular marking technology in the marking market, and it is also the most front-end marking technology. Among the many companies that research UV laser marking, RFH has a professional research team of more than a dozen people, and professor-level R&D personnel lead the research and development to make RFH laser technology at the forefront of the market.