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BORROWINGS (Long-Term Borrowings) (Details)
¥ in Millions
 12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2016
CNY (¥)
Dec. 31, 2015
USD ($)
Dec. 31, 2015
CNY (¥)
Dec. 31, 2016
CNY (¥)
Dec. 31, 2015
CNY (¥)
Jun. 30, 2014
USD ($)
Debt Instrument [Line Items]              
Long-term bank borrowings $ 162,347,163            
Huaxia Bank [Member]              
Debt Instrument [Line Items]              
Initiation date of credit facility Sep. 28, 2011 Sep. 28, 2011          
Term of facility 4 years 4 years          
Maximum borrowing amount of credit facility $ 57,600,000       ¥ 400.0    
Amount drawn down     $ 57,600,000 ¥ 400.0      
Amount repaid $ 3,000,000 ¥ 20.0 3,000,000 20.0      
Amount available for future draw down     54,600,000     ¥ 380.0  
Line of Credit Facility, Maximum Amount Outstanding During Period     57,600,000 400.0      
Huaxia Bank [Member] | Facility One [Member]              
Debt Instrument [Line Items]              
Amount drawn down     21,600,000 150.0      
Line of Credit Facility, Maximum Amount Outstanding During Period     21,600,000 150.0      
Huaxia Bank [Member] | Facility Two [Member]              
Debt Instrument [Line Items]              
Amount drawn down     36,000,000 250.0      
Line of Credit Facility, Maximum Amount Outstanding During Period     36,000,000 250.0      
Bank of China [Member]              
Debt Instrument [Line Items]              
Initiation date of credit facility Sep. 30, 2011 Sep. 30, 2011          
Term of facility 6 years 6 years          
Maximum borrowing amount of credit facility $ 108,000,000   108,000,000   750.0 750.0  
Interest rate spread over rate issued by People's Bank of China 5.00% 5.00%          
Amount repaid     37,200,000 ¥ 290.0      
Amount of collateral             $ 63,300,000
Long-term bank borrowings $ 33,100,000   $ 70,800,000   230.0 ¥ 460.0  
Chongqing Rural Commercial Bank [Member]              
Debt Instrument [Line Items]              
Initiation date of credit facility Jun. 25, 2015 Jun. 25, 2015          
Term of facility 6 years 6 years          
Maximum borrowing amount of credit facility $ 96,200,000       ¥ 625.0    
Interest rate spread over rate issued by People's Bank of China 20.00% 20.00%          
Amount drawn down $ 96,200,000 ¥ 625.0          
Amount repaid $ 18,500,000 85.0          
Fixed interest rate 5.90%       5.90%    
Long-term bank borrowings $ 77,700,000       ¥ 540.0    
Line of Credit Facility, Maximum Amount Outstanding During Period 96,200,000 625.0          
Chongqing Rural Commercial Bank [Member] | First Amendment [Member]              
Debt Instrument [Line Items]              
Amount drawn down 51,500,000 357.5          
Line of Credit Facility, Maximum Amount Outstanding During Period $ 51,500,000 ¥ 357.5          
Chongqing Rural Commercial Bank [Member] | Facility One [Member]              
Debt Instrument [Line Items]              
Initiation date of credit facility May 30, 2016 May 30, 2016          
Term of facility 7 years 7 years          
Maximum borrowing amount of credit facility $ 72,000,000       500.0    
Amount drawn down 51,500,000 ¥ 357.5          
Amount available for future draw down $ 20,500,000       ¥ 142.6    
Weighted average interest rate 5.90%       5.90%    
Line of Credit Facility, Maximum Amount Outstanding During Period $ 51,500,000 ¥ 357.5          
Bank Facilities [Member]              
Debt Instrument [Line Items]              
Weighted average interest rate 5.80%   5.70%   5.80% 5.70%  
Long-term bank borrowings $ 162,347,163   $ 170,124,695        
Bank Facilities [Member] | Huaxia Bank [Member]              
Debt Instrument [Line Items]              
Long-term bank borrowings 0   3,079,180        
Bank Facilities [Member] | Bank of China [Member]              
Debt Instrument [Line Items]              
Long-term bank borrowings 33,118,850   70,821,140        
Bank Facilities [Member] | Chongqing Rural Commercial Bank [Member]              
Debt Instrument [Line Items]              
Long-term bank borrowings $ 129,228,313   $ 96,224,375