COMMITMENTS AND CONTINGENCIES (Capital commitments) (Details)	Sep. 30, 2020 CNY (¥)
2021	¥ 1,751,294,451
2022	292,791,473
Total	2,044,085,924
Purchase Obligation	¥ 2,044,085,924

Amount of purchase arrangement to be paid in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

No definition available.

Name:	jks_PurchaseObligationToBePaidInNextRollingTwelveMonths
Namespace Prefix:	jks_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant