Recently,aluminum has becoming a very important metal products in our life.As the technology of aluminum heatsink developed,aluminum machining is not so difficult as before. Aluminum is much better than the iron in some different area.Aluminum is a perfect media for electricity.An aluminum electric line can save a lot of electricity power.On the other hand,aluminum products can't be rusty with water and air.Today you can see many doors,windows,tables,which are made from aluminum. With the great development of aluminum machining,aluminum products will play a much more important roll in our life.