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Other Income, Net (Tables) | 12 Months Ended
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Dec. 31, 2021
Other Income and Expenses [Abstract] |
Schedule of Other Income | Other income consists of the following:
|  | For the years ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Government subsidy |  |  | 36,769,550 |  |  |  | 35,888,591 |  |  |  | 35,384,908 |  |  |  | 5,552,664 |
Others |  |  | 4,530,914 |  |  |  | 13,250,746 |  |  |  | 6,526,681 |  |  |  | 1,024,179 |
|  |  | 41,300,464 |  |  |  | 49,139,337 |  |  |  | 41,911,589 |  |  |  | 6,576,843 |

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- Definition Tabular disclosure of the detailed components of other nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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