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12. CONSTRUCTION IN PROGRESS (Tables)
3 Months Ended
Mar. 31, 2013
Construction In Progress [Abstract]  
Schedule of construction in progress
    March 31,     December 31,  
    2013     2012  
    US$     US$  
Gannan Feihe production factory facilities     20,560,924       17,537,629  
Feihe soybean processing facilities     460,698       459,256  
Total     21,021,622       17,996,885