Profit forecast and investment recommendations: Assuming that polysilicon sold 2,000 tons in 2011, unit price: 80 US dollars/kg; wind power unit sales volume 150 units, unit price: 4,000 yuan/kilowatt; fan blade sales volume 200 sets, unit price: 1.5 million yuan/set. The predicted operating income for 2011-2013 is: 8.2 billion, 10 billion yuan, and 11.5 billion yuan, respectively, and earnings per share: 0.54, 0.71, and 0.85 yuan, respectively, corresponding to 43 times, 33 times, and 28 times PE, respectively, and downgraded to a “neutral” rating.