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ADVANCES FROM CUSTOMERS (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Deferred Revenue By Major Customer [Line Items]    
Total $ 29,396,238 $ 38,568,344
Less: Current portion of Advance from customers (29,396,238) (26,060,543)
Long term advance from customers    12,507,801
Customer C [Member]
    
Deferred Revenue By Major Customer [Line Items]    
Total 15,532,572 16,119,606
Customer I [Member]
    
Deferred Revenue By Major Customer [Line Items]    
Total 6,852,496   
Customer F [Member]
    
Deferred Revenue By Major Customer [Line Items]    
Total 3,462,084 7,364,873
Customer B [Member]
    
Deferred Revenue By Major Customer [Line Items]    
Total    7,026,172
Customer A [Member]
    
Deferred Revenue By Major Customer [Line Items]    
Total    2,211,201
Customer E [Member]
    
Deferred Revenue By Major Customer [Line Items]    
Total 1,532,632 2,156,858
Other Customers [Member]
    
Deferred Revenue By Major Customer [Line Items]    
Total $ 2,016,454 $ 3,689,634