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ACCOUNTS RECEIVABLE, NET (Tables)

12 Months Ended

Dec. 31, 2023

ACCOUNTS RECEIVABLE, NET

Schedule of accounts receivable, net

​

​	​	​	​	​
​		As of December 31,
​		2022		2023
​		RMB	​	RMB
Accounts receivable		329,336,616	​	263,994,880
Allowance for doubtful accounts		(29,593,693)	​	(169,038,710)
​	​	​	​	​
Accounts receivable, net		299,742,923	​	94,956,170

Schedule of movement of the allowance for doubtful accounts

​

​	​	​	​	​	​	​
​		For the Year Ended
​		December 31,
​		2021		2022		2023
​		RMB	​	RMB	​	RMB
Balance at the beginning of the year		3,307,381	​	4,549,366	​	29,593,693
Additions		1,272,454	​	25,044,327	​	139,445,017
Write-off	​	(30,469)	​	—	​	—
Balance at the end of the year		4,549,366	​	29,593,693	​	169,038,710

​

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- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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