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Employee Benefits (Tables) | 12 Months Ended
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Dec. 31, 2018
Defined Benefit Plan [Abstract] |
Schedule of employee welfare benefits expenses |
|  | For the year ended December 31, |
|  | 2016 |  |  | 2017 |  |  | 2018 |
|  | RMB |  |  | RMB |  |  | RMB |
Medical and welfare defined contribution plan |  |  | 6,581 |  |  |  | 8,504 |  |  |  | 21,869 |
Other employee benefits |  |  | 1,571 |  |  |  | 2,340 |  |  |  | 2,741 |
Total |  |  | 8,152 |  |  |  | 10,844 |  |  |  | 24,610 |

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- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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