The following models, cannot only accomplish all of the work which the standard laser cutting machine can do, but also can cut stainless steel, carbon steel and galvanized steel, can cut up to 3mm metal sheet. This model equip with high precision metal cutting following system. Laser head, with auto focus system, if metal isn't flat, this system can sense distance from nozzle to the metal surface and follow the surface up and down to automatically adjust the certain focus distance for keeping high precision cutting quality.