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Earnings (Loss) Per Share (Details) - Stock Options [Member] - ¥ / shares | 6 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
(Loss) Income Per Share [Line Items] |  |
Weighted average ordinary shares | 7,180 | 3,590
Exercisable stock options (in Yuan Renminbi per share) |  |

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