South Korea customer buy Ultra-Violet 355nm DPSS Laser for cutting  FPC/PCB board  

RFH Ultra-Violet 355nm DPSS Laser System is ideal for a wide range of scientific applications. Available in a range of output powers from 3wW to 20mW, this UV laser includes a 18 months  warranty, compact and light design, water cooling and air cooling for you choice, and independent R&D in laser oriented power supply control system.

More about uv laser: https://www.rfhtech.com/s9-series-3w-5w-10w-uv-laser_p9.html