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v3.25.1

Concentration of Credit Risk (Details) | May 01, 2015 USD ($) | May 01, 2015 CNY (¥) | Mar. 31, 2025 USD ($) | Mar. 31, 2025 CNY (¥)
--- | --- | --- | --- | ---
Concentration of Credit Risk [Line Items] |  |  |  |
Deposit insurance regulations | $ 69,655 | ¥ 500,000 |  |
Maximum coverage from FDIC |  |  | $ 4,841,221 | ¥ 34,751,252
PRC [Member] |  |  |  |
Concentration of Credit Risk [Line Items] |  |  |  |
Maximum coverage from FDIC |  |  |  | ¥ 500,000

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