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        February 28 2007, the State Intellectual Property Office of People’s Republic China has approved and issued a patent certificate to the Company (the Patent Application No：2006200955210 and Patent Name: Cycle Sequence Active Sludge Reactor). This was the research result developed by the Research and Development Center of the Company and the result was one of the of National High-Technology Research and Development Program (863 Plan) and Wuhan City Key Science and Technology Industrialization Program.