| Schedule of financial information for the VIE before eliminating the inter-company balances and transactions between the VIE and its subsidiaries, the subsidiaries of the VIE and other entities within the Group |
| | | | | | | | | As of December 31, | | | 2024 | | 2025 | | 2025 | | | RMB | | RMB | | US$ | Total assets | | 217,009,461 | | 293,479,167 | | 41,966,962 | Total liabilities | | 124,142,846 | | 180,151,655 | | 25,761,345 |
| | | | | | | | | | | For the years ended December 31, | | | 2023 | | 2024 | | 2025 | | 2025 | | | RMB | | RMB | | RMB | | US$ | Total revenues | | 131,868,973 | | 121,108,780 | | 113,748,348 | | 16,265,797 | Net income | | 23,398,906 | | 22,921,391 | | 20,687,326 | | 2,958,248 |
| | | | | | | | | | | For the years ended December 31, | | | 2023 | | 2024 | | 2025 | | 2025 | | | RMB | | RMB | | RMB | | US$ | Net cash generated from operating activities | | 49,705,625 | | 15,819,139 | | 24,682,511 | | 3,529,552 | Net cash used in investing activities | | (43,637,362) | | (36,090,803) | | (62,690,562) | | (8,964,631) | Net cash generated from financing activities | | 3,390,438 | | 20,020,807 | | 45,135,333 | | 6,454,267 | Net increase/(decrease) in cash, cash equivalents and restricted cash | | 9,458,701 | | (250,857) | | 7,127,282 | | 1,019,188 |
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