Mingzhou Laser RUIFA 5-in-1 1500W Portable Water-Cooled Handheld Laser Welding Machine Description Experience a smarter way to weld with the Mingzhou Laser RUIFA 5-in-1 1500W Handheld Laser Welding Machine. Designed for speed, precision and ease of use, it combines a powerful fiber laser source with efficient water cooling in a compact handheld system. Its ergonomic design, intelligent control and adjustable weld width make welding easier across different metal applications.