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LONG-TERM DEPOSITS AND PREPAYMENTS (Details)
Dec. 31, 2012
USD ($)
Dec. 31, 2012
CNY
Dec. 31, 2011
CNY
LONG-TERM DEPOSITS AND PREPAYMENTS      
Deposits paid to airline suppliers   126,190,327 124,565,156
Unamortized debt issuance cost   32,396,007  
Deposit paid to lessor   18,413,764 17,172,324
Prepayments for fixed assets   15,499,330  
Deposit paid to travel bureau   110,000 110,000
Others   18,008,882 13,513,012
Total $ 33,806,569 210,618,310 155,360,492