Co2 laser cutting machinery has 2 type. A type can only cut nonmetal materials like acrylic,wood,leather,cloth,fabric and so on. While B type can cut both metal and nonmetal materials.Except the above,B type also cuts stainless steel,carbon steel,galvanized sheet and so on.When you want to choose a co2 laser cutting machinery,please confirm all the materials you need to cut,because we need to help you choose most suitable laser power and working sizes XD Laser