·CNC processing advantages and disadvantages ·Analyzing the differences between mechanical processing and CNC machining ·How is sheet metal surface processing ·What causes the failure of metal die casting die ·Surface treatment method of metal die castings? ·Precautions for aluminum spraying process of hardware ·CNC lathe processing process division ·The structure and application of the Longmen Processing Center ·Advantages of using large CNC machining centers ·The three basic concepts of CNC technology