BEIJING (AFX-ASIA) – China Yangtze Power Co Ltd (SHA 600900), the listed arm of the Three Gorges Dam hydropower project, said its first quarter net profit rose 620.6% year-on-year to 471.21 million yuan, on the back of strong demand for electricity and the first-time inclusion of earnings from assets acquired last year. (US$1=8.27 yuan). The…