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Warrants (Tables) | 12 Months Ended
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Dec. 31, 2023
Warrants |
Schedule of black-scholes model |
Schedule of black-scholes model |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, 2021 |  |  | December 31, 2022 |  |  | December 31, 2023 |  |  | December 31, 2023 |
|  | USD |  |  | USD |  |  | USD |  |  | RMB |
Input |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price |  |  | 9.96 |  |  |  | 2.27 |  |  |  | 3.55 |  |  |  | 25.14 |
Risk-free interest rate |  |  | 1.26 | % |  |  | 4.02 | % |  |  | 3.95 | % |  |  | 3.95 | %
Volatility |  |  | 59.8 | % |  |  | 65.2 | % |  |  | 60.60 | % |  |  | 60.60 | %
Exercise price |  |  | 11.50 |  |  |  | 11.50 |  |  |  | 11.50 |  |  |  | 81.45 |
Warrant life (yr) |  |  | 5 years |  |  |  | 4.71 years |  |  |  | 3.71 years |  |  |  | 3.71 years |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis |  |  |  |  |  |  |  |  |  |  |  |
Description |  | Warrant Liabiity |  |  | Quoted Prices In Active Markets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
December 31, 2022: |  | RMB | 425,619 |  |  | RMB | - |  |  | RMB | - |  |  | RMB | 425,619 |
December 31, 2023 |  | RMB | 62,200 |  |  | RMB | - |  |  | RMB | - |  |  | RMB | 62,200 |
Schedule of Warrants activities |
Schedule of Warrants activities |  |  |  |  |  |  |  |  |
Private Warrants |  | Warrants |  |  | Weighted Average Exercise Price Per Share |  |  | Average Remaining Period (Years) |
Outstanding as of December 31, 2021 |  |  | 270,500 |  |  | $ | 11.50 |  |  |  | 5 |
Issued |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |
Expired |  |  | - |  |  |  | - |  |  |  | - |
Outstanding as of December 31, 2022 |  |  | 270,500 |  |  | $ | 11.50 |  |  |  | 5 |
Issued |  |  | - |  |  |  | - |  |  |  | - |
Forfeited |  |  | - |  |  |  | - |  |  |  | - |
Exercised |  |  | - |  |  |  | - |  |  |  | - |
Expired |  |  | - |  |  |  | - |  |  |  | - |
Outstanding as of December 31, 2023 |  |  | 270,500 |  |  | $ | 11.50 |  |  |  | 4 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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