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TAXATION (Narrative) (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 30, 2018
Nov. 30, 2016
Jun. 30, 2018
CNY (¥)
Jun. 30, 2017
CNY (¥)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2017
CNY (¥)
Dec. 31, 2016
CNY (¥)
Dec. 31, 2018
USD ($)
Dec. 31, 2015
CNY (¥)
Income Tax [Line Items]                  
Federal corporate income tax rate 15.00% 15.00%     25.00% 25.00% 25.00%    
Statutory reserves         ¥ 570,176,203 ¥ 516,885,853   $ 82,928,689  
Utilization and reversal of valuation allowances         1,388,479 21,823,558 ¥ 26,930,923    
Deferred Tax Assets, Valuation Allowance         ¥ 114,620,700 86,443,363 66,223,501   ¥ 54,792,006
Income Tax Holiday, Description         subsidiaries are entitled to three-year tax exemption and three-year 50% CIT reduction tax holiday.        
Income Tax Reconciliation Non deductible Expense Reversal Of Income Tax           17,300,000      
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development, Amount     ¥ 59,300,000 ¥ 41,800,000          
CHINA [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         25.00%        
Reduced statutory rate         15.00%        
Dividend distribution witholding tax         10.00%        
Statutory reserves         ¥ 3,250,957,069 3,121,934,696 2,869,500,611    
Deferred tax liability reinvested earnings         ¥ 162,547,853 ¥ 156,096,735 ¥ 143,475,031    
CHINA [Member] | Minimum [Member]                  
Income Tax [Line Items]                  
Dividend distribution witholding tax         5.00%        
HONG KONG [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         16.50%        
LUXEMBURG [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         28.80%        
JAPAN [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         38.00%        
SWITZERLAND [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate           8.50%      
GERMANY [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         33.00%        
ITALY [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         27.90%        
FRANCE [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         31.00%        
PORTUGAL [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         23.00%        
UNITED STATES [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         21.00% 35.00%      
CANADA [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         15.00%        
State/Province tax rate         11.50%        
AUSTRALIA [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         30.00%        
BRAZIL [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         34.00%        
MEXICO [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         30.00%        
Malaysia [Member]                  
Income Tax [Line Items]                  
Federal corporate income tax rate         24.00%        
Income Tax Holiday, Description         a five year 100% tax exemption