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INVESTMENTS IN AFFILIATES (Narrative) (Details)
1 Months Ended 12 Months Ended
May 31, 2012
CNY
Dec. 31, 2014
USD ($)
Dec. 31, 2014
CNY
Dec. 31, 2013
CNY
Dec. 31, 2012
CNY
Dec. 20, 2012
Gansu Jintai [Member]
INVESTMENTS IN AFFILIATES [Abstract]            
Equity in (loss)/ income of affiliated companies   $ 1,539,066us-gaap_IncomeLossFromEquityMethodInvestments 9,549,289us-gaap_IncomeLossFromEquityMethodInvestments (25,614,963)us-gaap_IncomeLossFromEquityMethodInvestments (16,291)us-gaap_IncomeLossFromEquityMethodInvestments  
Percentage of equity interests acquired 9.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired          
Acquisitions of businesses and investments, net of cash acquired 7,200,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired $ 20,798,744us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired 129,047,885us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired 4,502,516us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired 5,584,599us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired  
Schedule of Equity Method Investments [Line Items]            
Percentage of Ownership           28.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= jks_EquityInvestmentMember