v3.26.1
Summary of principal accounting policies (Tables)
6 Months Ended 12 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Accounting Policies [Abstract]    
Schedule of estimated useful lives
     
Category   Estimated useful lives
Leasehold Improvement   2-5 years
Electronic equipment   3 years
Office furniture   3-5 years
Vehicle   4 years
   
Category   Estimated useful lives
Leasehold Improvement   2-5 years
Electronic equipment   3 years
Office furniture   3-5 years
Vehicle   4 years
Schedule of breakdown of revenues
                         
   For the Six Months Ended September 30, 
   2024   2025 
   RMB   %   RMB   US$   % 
   (Unaudited)   (Unaudited) 
Revenue                    
Sports-related product sales   3,026,651    7.2    46,624,953    6,549,368    92.3 
DAKA merchant membership services revenue   39,037,736    92.3    3,865,144    542,934    7.7 
Other revenue   234,689    0.5             
Total revenue   42,299,076    100.0    50,490,097    7,092,302    100.0 
                         
   For the Years Ended March 31, 
   2024   2025 
   RMB   %   RMB   US$   % 
Revenue                    
Sports-related product sales   41,592,608    99.9    7,100,332    997,378    6.5 
DAKA merchant membership services revenue           102,653,093    14,419,594    93.3 
Other revenue   13,746    0.1    234,689    32,967    0.2 
Total revenue   41,606,354    100.0    109,988,114    15,449,939    100.0 
Schedule of DAKA revenues
                         
   For the Six Months Ended September 30, 
   2024   2025 
   RMB   %   RMB   US$   % 
   (Unaudited)   (Unaudited) 
DAKA merchant membership service revenue                         
Technical service related to smart devices revenue           2,019,424    283,667    52.3 
Set-up fee revenue   39,037,736    100.0    98,812    13,880    2.6 
Exclusive regional agency authorization revenue           1,746,908    245,387    45.1 
Total DAKA merchant membership service revenue   39,037,736    100.0    3,865,144    542,934    100.0 
Breakdown of DAKA revenues  For the Years Ended March 31, 
   2024   2025 
   RMB   %   RMB   US$   % 
DAKA merchant membership service revenue                         
Technical service related to smart devices revenue           52,880,190    7,428,036    51.5 
Set-up fee revenue           49,188,679    6,909,493    47.9 
Exclusive regional agency authorization revenue           584,224    82,065    0.6 
Total DAKA merchant membership service revenue           102,653,093    14,419,594    100.0 
Schedule of breakdown of cost of revenues
                         
   For the Six Months Ended September 30, 
   2024   2025 
   RMB   %   RMB   US$   % 
   (Unaudited)   (Unaudited) 
Cost of revenue                    
Cost of sports-related product sales   1,285,375    10.9    11,659,277    1,637,769    99.9 
DAKA merchant membership service cost   10,367,650    87.9    1,480    208    0.1 
Other cost   139,037    1.2             
Total cost of revenue   11,792,062    100.0    11,660,757    1,637,977    100.0 

 

The following table sets forth a breakdown of the Company’s DAKA merchant membership service costs for the periods presented:

   For the Six Months Ended September 30, 
   2024   2025 
   RMB   %   RMB   US$   % 
   (Unaudited)   (Unaudited) 
DAKA merchant membership service costs                         
Set-up cost   10,367,650    100.0             
Other cost           1,480    208    100.0 
Total cost of DAKA merchant membership service   10,367,650    100.0    1,480    208    100.0 
                         
   For the Years Ended March 31, 
   2024   2025 
   RMB   %   RMB   US$   % 
Cost of revenue                    
Cost of sports-related product sales   22,230,398    99.8    3,289,735    462,106    8.6 
DAKA merchant membership service cost           34,877,403    4,899,200    91.0 
Other cost   34,574    0.2    146,871    20,631    0.4 
Total cost of revenue   22,264,972    100.0    38,314,009    5,381,937    100.0 

 

The following table sets forth a breakdown of the Company’s DAKA merchant membership service costs for the periods presented:

 

   For the Years Ended March 31, 
   2024   2025 
   RMB   %   RMB   US$   % 
DAKA merchant membership service costs                         
Cost of technical service related to smart devices           16,106,477    2,262,464    46.2 
Set-up cost           18,770,926    2,636,736    53.8 
Exclusive regional agency authorization cost                    
Total cost of DAKA merchant membership service           34,877,403    4,899,200    100.0