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Commitments and Contingencies (Narrative) (Details) | 3 Months Ended
--- | ---
Dec. 31, 2012 USD ($) | Dec. 31, 2012 CNY
Commitments And Contingencies 2 | 25.00% | 25.00%
Commitments And Contingencies 3 |  | 663,612,000
Commitments And Contingencies 4 | 105,400,000 |
Commitments And Contingencies 5 |  | 260,142,199
Commitments And Contingencies 6 | 40,900,000 |
Commitments And Contingencies 7 | 12,950,749 |
Commitments And Contingencies 8 | $ 7,382,087 |

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