OTHER INCOME/(EXPENSES), NET (Schedule Of Other Nonoperating Income/Expense) (Details) - CNY (¥)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Guarantee income	¥ 14,687,691	¥ 18,574,433	¥ 26,229,524
Donations	(12,395,500)	(701,000)	(412,465)
Total	¥ 2,292,191	¥ 17,873,433	¥ 25,817,059
Minimum [Member]
liability term	1 year
Maximum [Member]
liability term	16 years

Amount of income (expense) related to nonoperating activities, classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Name:	us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration