XML 31 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
4. PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
9 Months Ended
Sep. 30, 2014
Property, Plant and Equipment [Abstract]  
Property, plant and equipment
    September 30, 2013   December 31, 2013
At cost:            
Mineral rights   $ 6,471,234     $ 6,530,158  
Buildings     52,862,086       53,343,419  
Plant and machinery     176,519,145       172,842,611  
Motor vehicles     9,338       9,423  
Furniture, fixtures and office equipment     4,858,389       4,902,627  
Total     240,720,192       237,628,238  
Less: Accumulated depreciation and amortization     (110,192,153 )     (91,227,802 )
Net book value   $ 130,528,039     $ 146,400,436