... Machine YAG Copper/ Brass/ Aluminum/ Carbon Steel/ Stainless Steel Metal Laser Cutting Machine 500W/ 650W<< Laser Cutting Machine Applicable Materials:Laser cutting stainless steel, mild steel, carbon steel, alloy steel, spring steel ... handle, 3000W following down exhausting system (2 sets)OptionalRotary device, Automatic control high pressure blow valveRotary device, Pneumatic loading device, fast ...