BEIJING (AFX-ASIA) – The profit at China’s six key power generating companies rose 3.4% year-on-year to 16.9 billion yuan in the first 11 months, the State Economic and Trade Commission said. (US$1=8.28 yuan) The SETC did not say whether the profit was before or after tax. Business revenue in the 11 months rose 13.8 pct…