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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 |  |  |  |

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