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v3.25.3

Concentration of Credit Risk (Details) | May 01, 2015 USD ($) | May 01, 2015 CNY (¥) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 CNY (¥)
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Concentration of Credit Risk [Line Items] |  |  |  |
Deposit insurance regulations | $ 70,368 | ¥ 500,000 |  |
Maximum coverage from FDIC |  |  |  | ¥ 500,000
Balances exceeding maximum coverage |  |  | $ 8,720,386 | ¥ 61,962,700

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