"220V AC Cooling Fan" referred to fans, in our daily lives the most common appliances. Hong Kong called fans, Japan and South Korea called Ventilator, is a use of a motor-driven fan rotation, to achieve the air speed up the flow of household "220V AC Cooling Fan", mainly used in hot weather and cool air circulation. Transmission and distribution research report: widely used in homes, offices, shops, hospitals and hotels and other places. Fans mainly by the fan head, blades, nets and control devices and other components. "220V AC Cooling Fan" fan head includes a motor, front and rear cap and shook his head blowing institutions.