China "Tiny Cooling Fan" market scale will exceed 50 million units, fans in recent years the industry has been in a growth state, market size stable at between 50 million -6000 million units. In terms of market holdings, according to China nearly 1.4 billion population, 250 million families, each family an average of two "Tiny Cooling Fan" to calculate that 500 million of the huge market, not including office space and public areas. Very large market holdings so that fans despite relatively low energy consumption, but is also improving product energy efficiency is very essential. It is understood that as air conditioning, refrigerator industry using more general energy-saving technology, DC inverter in 2011 entered the "Tiny Cooling Fan" industries. Ding and Hua told Beijing Daily reporter, using the power of ordinary fans probably between 20-40W, and the use of only 2.34W DC inverter technology Airmate fans use energy when the low wind. Accordance with the minimum amount of wind, if you only use 8 hours a day, then 1 kWh of electricity can be used 52 days.