RFH 355nm UV laser marking drug capsules Drug capsule packaging marking date, fast speed with UV laser 355nm nanosecond UV laser for non-contact marking of pharmaceutical capsules   RFH 355nm ultraviolet laser marking pharmaceutical capsules is fast and good, and the marked production date or batch number is clear and beautiful.   RFH, with 13 years of superb marking technology and mature production line advantages, has won the favor of UV laser marking machine manufacturers in various industries and fields. In the face of severe epidemics, it will shoulder heavy responsibilities and do its best.