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v3.25.2

Notes Payable (Details) ¥ in Thousands, $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Dec. 28, 2023 | Mar. 31, 2025 CNY (¥) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 CNY (¥) | Mar. 31, 2025 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Notes payable |  | ¥ 6,211 |  |  |
Percentage of annual interest | 3.00% |  |  |  |
Repaid notes payable |  | ¥ 60,231 | $ 8,300 | ¥ 6,211 |
Alpha Mind [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Percentage of annual interest |  | 3.00% | 3.00% |  |
Alpha Mind Technology Limited [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Acquisition of issued and outstanding shares |  | 100.00% |  |  | 100.00%
Alpha Mind [Member] | MMTEC, Inc [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable |  | ¥ 1,104,706 |  |  | $ 153,000
Alpha Mind [Member] | Burgeon Capital, Inc [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable |  | 194,948 |  |  | $ 27,000
MMTEC, Inc [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes payable |  | ¥ 1,043,941 |  |  |

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