ACCOUNTS RECEIVABLE, NET-THIRD PARTIES (Tables)

12 Months Ended

Dec. 31, 2017

ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Abstract]

Schedule of Accounts Receivable

	As of December 31,
	2016		2017
	RMB		RMB
Accounts receivables		5,130,289,380		4,762,291,432
Allowance for doubtful accounts		(376,574,061)		(264,656,904)
Accounts receivable, net		4,753,715,319		4,497,634,528

Schedule of Movement of Allowance for Doubtful Accounts

	As of December 31,
	2015		2016		2017
	RMB		RMB		RMB
At beginning of year		428,570,077		335,713,383		376,574,061
Addition		151,959,676		274,128,700		147,474,390
Write-off		(38,500,106)		(41,816,165)		-
Reversal		(206,316,264)		(191,451,857)		(259,391,547)
At end of year		335,713,383		376,574,061		264,656,904