Many places are more concerned about the heat "220V AC Cooling Fan" own voice, so the development of low-noise cooling fan exchange is also very necessary. Noise reduction using different methods, which can effectively ensure the development of low noise fan nmb direction, turbine compressor mainly noise protection; and low-frequency noise cooling fan mainly by improving the exchange of heat "220V AC Cooling Fan" structure design to reduce body noise. Most can not be ignored is the computer integrated manufacturing system, with the development of science and technology, information industry innovations are constantly in the computer has been popular in today's stage, "220V AC Cooling Fan" factory various units using computer technology, and in Based on the enterprise is committed to achieve computer integrated manufacturing technology.