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Short-term Bank Loans (Narrative) (Details) (USD $) | 12 Months Ended
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Sep. 30, 2012 M
Short-term Bank Loans 2 | $ 139,706,153
Short-term Bank Loans 3 | 151,381,787
Short-term Bank Loans 4 | 5.16%
Short-term Bank Loans 5 | 0.0853
Short-term Bank Loans 6 | 3
Short-term Bank Loans 7 | 12
Short-term Bank Loans 8 | 63,636,508
Short-term Bank Loans 9 | $ 107,140,980

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