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DEBT - Xihang & YSX Network and Guangzhou YSX (Details)
12 Months Ended
Oct. 03, 2025
CNY (¥)
Sep. 10, 2025
CNY (¥)
installment
Mar. 27, 2025
USD ($)
Dec. 24, 2024
USD ($)
Sep. 13, 2023
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2026
CNY (¥)
Sep. 10, 2025
USD ($)
Sep. 10, 2025
CNY (¥)
Mar. 31, 2025
CNY (¥)
Mar. 27, 2025
CNY (¥)
Dec. 24, 2024
CNY (¥)
Sep. 13, 2023
CNY (¥)
DEBT                                
Interest expense           $ 250,553   $ 159,298 $ 139,752              
Xihang                                
DEBT                                
Asset-liability ratio         70           70 70       70
Non-related party                                
DEBT                                
Repayment of long-term bank loans           612,590   138,564 657,039              
Long-term loans, including current portion           1,761,380   1,860,349                
Current portion of long-term loans           159,467   578,775                
Long-term loans           1,601,914   1,281,574                
Related party                                
DEBT                                
Repayment of long-term bank loans               1,385,636 $ 838,774              
Bank of China | Xihang                                
DEBT                                
Effective interest rate         3.70%                     3.70%
BOC, 3.4 million | Xihang                                
DEBT                                
Debt amount         $ 477,595                     ¥ 3,400,000
Debt term         2 years                      
Long-term loans, including current portion               491,642         ¥ 3,500,000      
BOC, 3.0 million | Xihang                                
DEBT                                
Debt amount                     $ 434,909 ¥ 3,000,000        
Debt term   2 years                            
Amount of periodic payment | ¥ ¥ 150,000 ¥ 150,000                            
Effective interest rate                     2.60% 2.60%        
Current portion of long-term loans           43,491       ¥ 300,000            
Long-term loans           369,672       2,550,000            
Number of installments | installment   5                            
Number of semi-annual installment | installment   3                            
BOC, 5.0 million | YSX Network                                
DEBT                                
Maximum guarantee amount       $ 724,848                     ¥ 5,000,000  
BOC, 1.6 million | Xihang                                
DEBT                                
Debt amount         $ 224,751                     ¥ 1,600,000
Debt term         2 years                      
BOC 5.0 million | YSX Network                                
DEBT                                
Debt amount       $ 724,848                     ¥ 5,000,000  
Debt term       3 years                        
Repayment of long-term bank loans           57,988 ¥ 400,000                  
Long-term loans, including current portion           666,800       4,600,000            
Effective interest rate       2.95%                     2.95%  
Current portion of long-term loans               55,121                
Long-term loans               633,897                
BOC 5.0 million | Guangzhou YSX                                
DEBT                                
Debt amount     $ 724,848                     ¥ 5,000,000    
Debt term     3 years                          
Repayment of long-term bank loans           43,491 ¥ 300,000                  
Long-term loans, including current portion           $ 681,357       ¥ 4,700,000            
Effective interest rate     3.00%                     3.00%    
Maximum guarantee amount     $ 724,848                     ¥ 5,000,000    
Current portion of long-term loans               41,341                
Long-term loans               $ 647,677