"Micro Cooling Fan" Although it is a small product, but the brand concentration is quite high. According to Need for strategic brand marketing planning agency research shows that Chinese fans market, although many brands, its product with good material, exquisite workmanship exquisite, advanced technology, high technology content, distinctive, unique features, according to the 2007 National "Micro Cooling Fan" best-selling brand market share and prices, the domestic four big fans brand market share was 34.47 percent amount, 19.82%, 10.21% and 4.21%.