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Prepayments - Schedule of Prepayments (Details) | Jun. 30, 2025 CNY (¥) | Jun. 30, 2025 USD ($) | Dec. 31, 2024 CNY (¥)
--- | --- | --- | ---
Short-term prepayments |  |  |  |
Advance to suppliers for services and inventories | [1] | ¥ 2,411,067 |  | ¥ 400,083
Long-term prepayments |  |  |  |
Prepayment for educational content |  | ¥ 20,275,235 | $ 2,830,314 | ¥ 25,471,027
[1] | Short-term prepayments represent advance to suppliers for purchasing services or inventories.

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