v2.4.0.6

Income Before Income Tax Expenses (Detail)	12 Months Ended
	Dec. 31, 2011 USD ($)	Dec. 31, 2011 CNY	Dec. 31, 2010 CNY	Dec. 31, 2009 CNY	Dec. 31, 2011 PRC USD ($)	Dec. 31, 2011 PRC CNY	Dec. 31, 2010 PRC CNY	Dec. 31, 2009 PRC CNY	Dec. 31, 2011 Non-PRC USD ($)	Dec. 31, 2011 Non-PRC CNY	Dec. 31, 2010 Non-PRC CNY	Dec. 31, 2009 Non-PRC CNY
Schedule of Components of Income Before Income Tax Expense (Benefit) [Line Items]
Income before income tax expenses	$ 201,304,769	1,266,992,090	897,595,546	944,079,263	$ 195,391,805	1,229,776,487	881,077,042	936,154,635	$ 5,912,964	37,215,603	16,518,504	7,924,628

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- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph h

-Subparagraph 1(i)



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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