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INTANGIBLE ASSETS (Details) - CNY (¥) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Intangible assets disclosures |  |
Intangible assets | ¥ 14,494,943,771 | ¥ 14,278,779,458
Less: accumulated amortization | (744,627,850) | (354,009,527)
Net book value | 13,750,315,921 | 13,924,769,931
Trademark and domain |  |
Intangible assets disclosures |  |
Intangible assets not subject to amortization | 11,613,475,256 | 11,613,475,256
Net book value - intangible assets not subject to amortization | 11,613,475,256 | 11,613,475,256
Others |  |
Intangible assets disclosures |  |
Intangible assets not subject to amortization | 180,248,087 | 22,140,607
Net book value - intangible assets not subject to amortization | ¥ 180,248,087 | 22,140,607
Minimum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 3 years |
Maximum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 10 years |
Business Relationship |  |
Intangible assets disclosures |  |
Intangible assets to be amortized | ¥ 1,800,260,144 | 1,815,034,491
Less: accumulated amortization | (420,311,754) | (175,130,119)
Net book value - intangible assets to be amortized | ¥ 1,379,948,390 | 1,639,904,372
Business Relationship | Minimum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 5 years |
Business Relationship | Maximum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 10 years |
Technology |  |
Intangible assets disclosures |  |
Intangible assets to be amortized | ¥ 713,220,819 | 696,499,639
Less: accumulated amortization | (229,246,477) | (110,511,387)
Net book value - intangible assets to be amortized | ¥ 483,974,342 | 585,988,252
Technology | Minimum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 5 years |
Technology | Maximum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 10 years |
Others |  |
Intangible assets disclosures |  |
Intangible assets to be amortized | ¥ 187,739,465 | 131,629,465
Less: accumulated amortization | (95,069,619) | (68,368,021)
Net book value - intangible assets to be amortized | ¥ 92,669,846 | ¥ 63,261,444
Others | Minimum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 3 years |
Others | Maximum |  |
Intangible assets disclosures |  |
Intangible asset useful life | 10 years |

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