v3.26.1
Income Taxes (Tables)
6 Months Ended 12 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Income Tax Disclosure [Abstract]    
Schedule of composition of income tax expenses
               
   For the six months ended September 30, 
   2024   2025 
   RMB   RMB   US$ 
   (Unaudited) 
Current income tax expense       39,640    5,568 
Deferred income tax       (2,055,783)   (288,774)
Total income tax expenses        (2,016,143)   (283,206)
               
    For the years ended March 31, 
    2024    2025      
    RMB    RMB    US$ 
Current income tax expense            
Deferred income tax (benefit)/expense            
Total income tax expenses            
Schedule of reconciliation of the effective tax rate
               
   For the six months ended September 30, 
   2024   2025 
   RMB   RMB   US$ 
   (Unaudited) 
(Loss)/profit before provision for income taxes   (1,239,401)   1,622,941    227,973 
Income tax computed at an applicable tax rate of 25%   (309,850)   405,735    56,993 
Effect of tax rate differences in various jurisdictions       19,441    2,731 
Effect of preferential tax rate for small and micro enterprises   47,403    (523,543)   (73,542)
Super deduction for research and development expense   (526,540)   (200,454)   (28,157)
Effect of non-deductible items   13,606    308,239    43,298 
Changes in valuation allowance   775,381    (2,025,561)   (284,529)
Effective income tax rate        (2,016,143)   (283,206)
               
  For the years ended March 31, 
   2024   2025 
   RMB   RMB   US$ 
(Loss)/profit before provision for income taxes   (11,565,768)   7,334,830    1,030,317 
Income tax benefit computed at an applicable tax rate of 25%   (2,891,442)   1,833,708    257,579 
Effect of preferential tax rate for small and micro enterprises   555,107    (1,378,838)   (193,684)
Super deduction for research and development expense   (421,455)   (655,695)   (92,105)
Effect of non-deductible items   182,921    33,574    4,716 
Changes in valuation allowance   2,574,869    167,251    23,494 
Effective income tax rate            
Schedule of deferred tax assets and deferred tax liabilities
               
   As of 
   March 31,   September 30, 
   2025   2025 
   RMB   RMB   US$ 
   (Audited)   (Unaudited) 
Deferred tax assets:               
Operating lease liabilities   1,087,659    1,305,301    183,355 
Net operating loss carry forward   7,282,801    7,295,690    1,024,819 
Total deferred tax assets   8,370,460    8,600,991    1,208,174 
Less: valuation allowance   (7,361,029)   (5,335,468)   (749,469)
Deferred tax assets, net   1,009,431    3,265,523    458,705 
                
Deferred tax liabilities:               
Operating lease right of use assets   (1,009,431)   (1,209,739)   (169,931)
Deferred tax liabilities, net   (1,009,431)   (1,209,739)   (169,931)
Total deferred tax       2,055,784    288,774 
               
   As of March 31, 
   2024   2025 
   RMB   RMB   US$ 
Deferred tax assets:               
Operating lease liabilities   891,159    1,087,659    152,783 
Net operating loss carry forward   7,122,994    7,282,801    1,023,009 
Total deferred tax assets   8,014,153    8,370,460    1,175,792 
Less: valuation allowance   (7,193,778)   (7,361,029)   (1,033,998)
Deferred tax assets, net   820,375    1,009,431    141,794 
                
Deferred tax liabilities:               
Operating lease right of use assets   (820,375)   (1,009,431)   (141,794)
Deferred tax liabilities, net   (820,375)   (1,009,431)   (141,794)
Total deferred tax            
Schedule of change in valuation allowance
     
   RMB 
Net change of valuation allowance of deferred tax     
Balance @03/31/2024   7,193,778 
Additions during HY2025   775,381 
Balance @09/30/2024   7,969,159 
      
Balance @03/31/2025   7,361,029 
Decreases during HY2026   (2,025,561)
Balance @09/30/2025   5,335,468 
     
   RMB 
Net change of valuation allowance of deferred tax    
Balance @03/31/2023   4,618,909 
Additions during FY2024   2,574,869 
Balance @03/31/2024   7,193,778 
Additions during FY2025   167,251 
Balance @03/31/2025   7,361,029 
Schedule of taxes payable
               
   As of 
   March 31,   September 30, 
   2025   2025 
   RMB   RMB   US$ 
   (Audited)   (Unaudited) 
Value-added tax payable   10,399,477    13,715,958    1,926,669 
Income tax payable        39,640    5,568 
Other taxes payable (i)   14,055    27,101    3,807 
Total taxes payable   10,413,532    13,782,699    1,936,044 

 

  (i) Other taxes payable mainly includes the payable of urban construction tax, education surcharge and individual income taxes.
               
   As of March 31, 
   2024   2025 
   RMB   RMB   US$ 
Value-added tax payable   4,358,746    10,399,477    1,460,806 
Other taxes payable (i)   25,151    14,055    1,974 
Total taxes payable   4,383,897    10,413,532    1,462,780 

 

  (i) Other taxes payable mainly includes the payable of urban construction tax, education surcharge and individual income taxes.