CO2 laser engraving&cutting machine is usually used in processing non-metal materials, like acrylic,wood, paper,textile and so on. If you want to process the metal you can choose a mixed CO2 laser cutting machine, it can process both metal and non-metal. This kind machine is widely used in advertising industry. we have GRS 0609,1309,1610 and 1325 size machines. we use reci laser source. 60w/80w/100w/130w/150w/180w laser power. water cooling system, locating accuracy <=0.01mm, with stepper drving system.