COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2017

COMMITMENTS AND CONTINGENCIES [Abstract]

Schedule of Future Minimum Payments Under Operating Leases

Year ending December 31,	RMB
2018		50,755,609
2019		34,354,435
2020		29,999,378
2021		29,596,057
2022		25,574,400
Thereafter		82,177,148
Total		252,457,027

Schedule of Long-term Purchase Commitment

Year ending December 31,	RMB
2018		1,592,950,011
2019		1,579,598,597
Thereafter		136,800,000
Total		3,309,348,608