Dowin 1390 fiber laser cutting machine is a type of metal cutting system with high speed, high accurancy and high efficiency. It is suitable for all kinds of metal sheet cutting. It is equipped with different powers (1000W to 40000W) for cutting sheet metals and metal tubes of stainless steel, carbon steel, electrical steel, galvanized steel, aluminum zinc plate, aluminum, aluminum alloy, titanium alloy, copper, brass, iron and other metal materials with different thicknesses.