Handheld laser welding machine, compared to traditional arc welding, faster welding speed, finishing process free, much easier to learn operation, welder beginners friendly, no hazard air polution. Perfect way to replace traditional welding method for mild steel, stainless steel, brass, copper and other metals under 7mm thickness. Laser power: 1.5KW, 2KW, 3KW 3 in 1 laser welding, cleaning, and cutting machine available, 4 in 1 new model are ready to sell. 008613723529543 nick.fang at out look dot com