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v3.25.1

Summary of significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Schedule of estimated useful lives of property and equipment, net |
Schedule of estimated useful lives of property and equipment, net |  |  |
|  | Useful Life |
Office equipment |  | 3 years |
Office furniture and fixtures |  | 3 – 5 years |
Vehicles |  | 3 – 5 years |
Leasehold improvements |  | lesser of lease term or expected useful life |
Schedule of estimated useful lives of intangible assets, net |
Schedule of estimated useful lives of intangible assets, net |  |  |
|  | Useful Life |
Non-compete agreements |  | 6 years |
Schedule of disaggregation of revenue |
Schedule of disaggregation of revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, 2022 |  |  | December 31, 2023 |  |  | December 31, 2024 |  |  | December 31, 2024 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | USD |
Central processing advertising algorithm services |  |  | 446,607,076 |  |  |  | 569,906,586 |  |  |  | 541,487,420 |  |  |  | 75,327,948 |
Mobile games |  |  | 1,205,235 |  |  |  | - |  |  |  | - |  |  |  | - |
Sales of intelligent chips |  |  | 138,247,781 |  |  |  | 10,109,828 |  |  |  | - |  |  |  | - |
Total revenues |  |  | 586,060,092 |  |  |  | 580,016,414 |  |  |  | 541,487,420 |  |  |  | 75,327,948 |
Schedule of revenue by timing of transfer of goods or services |
Schedule of revenue by timing of transfer of goods or services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, 2022 |  |  | December 31, 2023 |  |  | December 31, 2024 |  |  | December 31, 2024 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | USD |
Goods and services transferred at a point in time |  |  | 586,060,092 |  |  |  | 580,016,414 |  |  |  | 414,763,523 |  |  |  | 57,699,003 |
Services transferred over time |  |  | - |  |  |  | - |  |  |  | 126,723,897 |  |  |  | 17,628,945 |
Total revenues |  |  | 586,060,092 |  |  |  | 580,016,414 |  |  |  | 541,487,420 |  |  |  | 75,327,948 |
Schedule of revenue by geographic locations |
Schedule of revenue by geographic locations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, 2022 |  |  | December 31, 2023 |  |  | December 31, 2024 |  |  | December 31, 2024 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | USD |
Mainland PRC revenues |  |  | 448,978,186 |  |  |  | 540,294,309 |  |  |  | 414,763,523 |  |  |  | 57,699,003 |
Hong Kong revenues |  |  | - |  |  |  | 29,612,277 |  |  |  | 126,723,897 |  |  |  | 17,628,945 |
International revenues |  |  | 137,081,906 |  |  |  | 10,109,828 |  |  |  | - |  |  |  | - |
Total revenues |  |  | 586,060,092 |  |  |  | 580,016,414 |  |  |  | 541,487,420 |  |  |  | 75,327,948 |
Schedule of noncontrolling interests |
Schedule of noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |
|  | December 31, 2023 |  |  | December 31, 2024 |  |  | December 31, 2024 |
|  | RMB |  |  | RMB |  |  | USD |
Shanghai Weimu |  |  | 3,065,579 |  |  |  | 4,495,040 |  |  |  | 625,318 |
Viwo Tech |  |  | 741,356 |  |  |  | 13,092,921 |  |  |  | 1,821,396 |
Vize Technology Limited |  |  | (9,073 | ) |  |  | - |  |  |  | - |
Total noncontrolling interests |  |  | 3,797,862 |  |  |  | 17,587,961 |  |  |  | 2,446,714 |

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