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PROPERTY, PLANT AND EQUIPMENT, NET (Details)
12 Months Ended
Dec. 31, 2016
CNY (¥)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
CNY (¥)
Dec. 31, 2014
CNY (¥)
Dec. 31, 2016
USD ($)
Property, Plant and Equipment [Line Items]          
Property and equipment ¥ 6,487,564,926   ¥ 5,073,410,349    
Less: Accumulated depreciation (2,028,991,593)   (1,731,339,034)    
Less: Impairment (51,439,373)   (35,263,789)    
Subtotal 4,407,133,960   3,306,807,526    
Construction in progress 331,547,393   459,628,038    
Property, plant and equipment, net 4,738,681,353   3,766,435,564   $ 682,512,077
Depreciation of property, plant and equipment 449,079,007 $ 64,680,831 393,162,784 ¥ 348,022,445  
Property, plant and equipment impairment 125,524,021 $ 18,079,220 ¥ 6,217,151  
Pledged property, plant and equipment 1,899,053,100   2,063,567,296    
Buildings [Member]          
Property, Plant and Equipment [Line Items]          
Property and equipment 1,429,839,237   843,434,718    
Machinery and equipment [Member]          
Property, Plant and Equipment [Line Items]          
Property and equipment 4,886,493,031   4,109,495,144    
Motor vehicles [Member]          
Property, Plant and Equipment [Line Items]          
Property and equipment 34,434,859   32,196,288    
Furniture, fixture and office equipment [Member]          
Property, Plant and Equipment [Line Items]          
Property and equipment ¥ 136,797,799   ¥ 88,284,199