TAXATION (Tables)

12 Months Ended

Dec. 31, 2017

TAXATION [Abstract]

Schedule of Earnings Before Income Taxes

	For the year ended December 31
	2015		2016		2017
	RMB		RMB		RMB
Cayman Islands		(5,667,142)		(122,966,973)		8,709,933
PRC		786,947,233		1,394,413,594		438,904,245
Other countries		85,793,052		(23,724,060)		(298,739,141)
Income from continuing operations before income taxes		867,073,143		1,247,722,561		148,875,037

Schedule of Current and Deferred Income Taxes

	For the year ended December 31
	2015		2016		2017
	RMB		RMB		RMB
Current income tax expenses
PRC		(104,597,580)		(234,278,825)		(39,138,531)
Other countries		(12,024,951)		(35,469,815)		27,002,786
Total current income tax expenses		(116,622,531)		(269,748,640)		(12,135,745)
Deferred tax benefit		16,088,702		12,261,634		7,507,742
Income tax expense, net		(100,533,829)		(257,487,006)		(4,628,003)

Schedule of Income Tax Rate Reconciliation

	For the year ended December 31
	2015		2016		2017
	%		%		%
Statutory CIT rate		25.0		25.0		25.0
Effect of permanent differences:
—Share-based compensation expenses		2.0		1.1		6.6
—Change in fair value of convertible senior notes and capped call options		0.4		2.2		0.0
—Accrued payroll and welfare expenses		1.3		1.0		13.4
—Change of enacted tax rate		(3.5)		0.4		(12.1)
—Other tax preferences		(2.0)		(0.0)		(42.3)
Difference in tax rate of a subsidiary outside the PRC		(1.1)		0.9		7.5
Effect of tax holiday for subsidiaries		(9.1)		(10.9)		(8.8)
Change in valuation allowance		(1.4)		0.9		13.8
Effective tax rate		11.6		20.6		3.1

Schedule of Aggregate Amount and Per Share Effect of Reduction of CIT

	For the year ended December 31
	2015		2016		2017
	RMB		RMB		RMB
The aggregate amount of effect		79,037,989		135,724,429		36,268,723
Per share effect—basic		0.63		1.08		0.28
Per share effect—diluted		0.62		1.04		0.27

Schedule of Current Deferred Tax Assets

	For the year ended December 31
	2016
	RMB
Net operating losses		17,458,359
Provision for inventories, accounts receivable, other receivable		81,441,291
Change in fair value of forward contracts		(96,131)
Accrued warranty costs		10,505,141
Accrued interest		637,754
Timing difference for revenue recognition		10,974,242
Other temporary differences		18,278,850
Total deferred tax assets		139,199,506
Less: Valuation allowance		(8,523,851)
Deferred tax assets—current, net		130,675,655
Other temporary differences		(17,074,064)
Deferred tax liabilities—current, net		(17,074,064)

Schedule of Noncurrent Deferred Tax Assets

	For the year ended December 31
	2016		2017
	RMB		RMB
Net operating losses		57,699,650		125,206,224
Accrued warranty costs		118,214,437		147,133,263
Provision for inventories, accounts receivable, other receivable		-		54,705,934
Timing difference for project assets, property, plant and equipment		8,463,603		11,804,621
Timing difference for revenue recognition of retainage contract		8,113,322		13,764,075
Other temporary differences		-		9,201,353
Total deferred tax assets		192,491,012		361,815,470
Less: Valuation allowance		(57,699,650)		(86,443,363)
Deferred tax assets—non-current, net		134,791,362		275,372,107
Timing difference for project assets, property, plant and equipment		(50,625,310)		(70,121,943)
Other temporary differences		(25,220)		-
Deferred tax liabilities—non-current, net		(50,650,530)		(70,121,943)

Schedule of Movement of Valuation Allowances

	For the year ended December 31
	2015		2016		2017
	RMB		RMB		RMB
At beginning of year		(67,263,314)		(54,792,006)		(66,223,501)
Current year additions		(20,392,519)		(38,362,418)		(42,043,420)
Utilization and reversal of valuation allowances		32,863,827		26,930,923		21,823,558
At end of year		(54,792,006)		(66,223,501)		(86,443,363)