v3.26.1
Income Taxes (Details Narrative)
6 Months Ended 9 Months Ended 12 Months Ended 18 Months Ended
Sep. 30, 2025
CNY (¥)
Sep. 30, 2024
CNY (¥)
Sep. 30, 2025
USD ($)
Sep. 30, 2025
CNY (¥)
Mar. 31, 2025
CNY (¥)
Mar. 31, 2024
CNY (¥)
Sep. 30, 2025
CNY (¥)
DisclosureLineElements [Line Items]              
Unrecognized uncertain tax positions ¥ 0     ¥ 0 ¥ 0 ¥ 0 ¥ 0
Interest or penalties uncertain tax positions 0 ¥ 0       ¥ 0  
Decreases Valuation Allowance Deferred Tax Assets ¥ (2,025,561)   $ 284,529 2,025,561      
HONG KONG              
DisclosureLineElements [Line Items]              
Income tax 16.50%       8.25% 16.50% 8.25%
Assessable profits ¥ 2,000,000     ¥ 2,000,000 ¥ 2,000,000   ¥ 2,000,000