"Cooling Fan Manufacturer" industry in the development of foreign trade in recent years there has been a trade deficit phenomenon, according to the relevant data show that China's foreign trade deficit in recent years, the cooling fan there is more and more serious tendency, "Cooling Fan Manufacturer"mainly because of national policy and our die-casting industry caused by the lack of high-end technology, and due to the low technical content of the cooling fan, resulting in reduced its overseas market share, and actively cultivate fan backbone enterprises, promote technology development, cluster development mode of production, is China's "Cooling Fan Manufacturer" industrial and effective way to change the direction of the trade deficit.