1.  Comparing with enameled copper wire, the enameled aluminum wire is easy to manufacture coil, because the surface of the enameled aluminum wire has a solidity oxidation film with good insulation effect and long use life-span

2.  Because excellent insulation of aluminum wire, its enduring temperature is higher 20 than enameled wire

3.  Because aluminum is lighter 1/3 than copper, so that cost can be reduced a lot, and it is easy to accrete to fixity, reducing the freight and operation