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Net Gain (Loss) On Equity Securities, Net | 12 Months Ended
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Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract] |
Net Gain (Loss) On Equity Securities, Net |
13. | NET GAIN (LOSS) ON EQUITY SECURITIES, NET
Net gain (loss) on equity securities consists of the following :
|  | For the years ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Unrealized gain on equity securities still held at the reporting date |  |  | 41,581,818 |  |  |  | 3,315,475,734 |  |  |  | 45,804,034 |  |  |  | 7,187,652 |
Net gain ( loss ) on equity securities sold during the period |  |  | 44,430,100 |  |  |  | 37,905,479 |  |  |  | (58,795,556 | ) |  |  | (9,226,306 | )
|  |  | 86,011,918 |  |  |  | 3,353,381,213 |  |  |  | (12,991,522 | ) |  |  | (2,038,654 | )

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