INTEREST EXPENSES, NET (Details)	12 Months Ended
Dec. 31, 2018 CNY (¥)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2016 CNY (¥)
Interest expenses	¥ 429,347,128		¥ 321,477,539	¥ 409,420,734
Less: Interest Capitalization	(51,243,764)		(17,662,780)	(8,915,817)
Less: Interest income	(83,461,323)		(58,810,161)	(41,519,696)
Amortisation of Bond Issue Costs	1,050,000		525,000	311,111
Total	¥ 295,692,041	$ 43,006,624	¥ 245,529,598	¥ 359,296,332

Amount of amortization expense attributable to debt issuance costs.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: 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(8))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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