OTHER ASSETS - THIRD PARTIES - Summary of activity in allowance for credit losses related to deposits (Details) - Adjustment - ASU No. 2016-13	9 Months Ended
Sep. 30, 2020 CNY (¥)
Other Assets Non-Current [Line Items]
Impact of addopting ASC Topic 326	¥ 5,065,000
Reversal	(2,554,667)
At end of period	¥ 2,510,333

Amount of the effect of a change in accounting principle on allowance for credit losses related to deposits.

No definition available.

Name:	jks_NewAccountingPronouncementOrChangeInAccountingPrincipleImpactsInAllowanceForCreditLossesDeposits
Namespace Prefix:	jks_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration