Domestic "Waterproof Cooling Fan" international business trip just started, in 2009 the export volume of only 20 units, exports to the United States only three fans. However, XEMC and other companies have plans to build factories in the United States site. National Energy Board New Energy and Renewable Energy Secretary Wang Jun in the "Sino-US Renewable Energy Investment Forum" about China's "Waterproof Cooling Fan" enterprises due to a general lack of understanding of the rules of the American market, the actual project development during operation, the Chinese companies was some real obstacles, such as the United States due to investment in renewable energy regulations, policies, financing methods are not familiar with, resulting in project development has occurred aborted phenomenon, which also makes many Chinese "Waterproof Cooling Fan" business to the United States for investment in renewable energy generated more doubts.