1, "Cooling Fan" personnel-intensive or time is brief and requires rapid cooling places, such as: hall, meeting rooms, churches, schools, cafeteria, gymnasium, exhibition hall, shoe factories, garment factories, toy factory, markets, etc ; 2, polluting gases strong smell, dust larger establishments, such as: the hospital lobby, waiting room, a kitchen and chemical plants, plastic plants, electronic factories, chemical plants, tanneries, spraying silk screen factory, rubber factory, dyeing , textile mills, breeding factory; 3, "Cooling Fan" have a fever or high temperature equipment production sites, such as: machining, injection molding, electroplating, metallurgy, printing, food processing, glass, home appliances and other production workshop; 4, "Cooling Fan "open door needs to shopping malls, supermarkets, playgrounds, casinos, waiting room; suitable for cultivation of agricultural research centers or bases.