. Advanced IGBT inverter technology is adopted, and the Moden MPU is used to adjust stepless of cutting current. The function of the cutter is up to international level, otherwise, the software can be updated and can be meeted automatic machine. 2. The operation is simply and easily by using air to cut with high speed and high quality. 3. With mutiple protection, the working performance is stabe, arc starting is quickly, narrow cutting seam, clear kerf and workpiece shape wouldn't change. 4. Suitable for cutting stainless steel, carbon steel, copper and aluminium material.