PREPAYMENTS AND OTHER CURRENT ASSETS (Tables)

12 Months Ended

Dec. 31, 2018

Prepaid Expense and Other Assets, Current [Abstract]

Schedule of Prepayments and Other Current Assets

	As of December 31,
	2017		2018
	RMB		RMB
Value-added tax deductible		695,298,614		899,664,288
Refund receivable of U.S. countervailing duties (note 2x)		-		209,450,023
Receivable related to disposal of subsidiaries (note 1)		169,931,600		169,931,601
Deposit for customer duty, bidding and others		276,486,282		132,370,773
Rental deposit and prepayment		25,888,619		74,883,585
Prepayment for income tax		90,238,235		46,293,505
Prepaid insurance premium		16,388,399		34,237,367
Receivables related to discount from a supplier		15,607,413		26,497,935
Receivables related to disposal of land use right		14,571,587		25,326,877
Prepaid commission		28,551,662		8,705,847
Employee advances		10,576,736		4,721,001
Others		61,992,841		80,806,001
Receivables related to a sales leaseback transaction (note 25)		150,000,000		-
Receivables related to disposal of property, plant and equipment		111,500,000		-
Receivables of option exercised		39,685,283		-
Total		1,706,717,271		1,712,888,803