v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)
¥ in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2026
USD ($)
Integer
Mar. 31, 2026
CNY (¥)
Integer
Mar. 31, 2025
USD ($)
Mar. 31, 2025
CNY (¥)
Mar. 31, 2024
USD ($)
Mar. 31, 2024
CNY (¥)
Mar. 31, 2026
CNY (¥)
Mar. 31, 2025
CNY (¥)
Mar. 31, 2023
CNY (¥)
Product Information [Line Items]                  
Net loss $ 4,035 ¥ 27,800   ¥ 670,087   ¥ 60,884      
Net cash used in operating activities   146,300              
Secured debt | $ 46,700                
Cash and cash equivalents, and restricted cash $ 37,999   $ 15,050     77,175 ¥ 262,100 ¥ 109,213 ¥ 72,434
Allowance for credit losses on accounts receivable             32,400 52,800  
Reversal inventory write-downs             4,000    
Asset Impairment Charges     9,000          
Deferred Revenue             700 2,500  
Other Income   1,900   2,900   2,400      
Research and development expense   5,400   9,500   16,600      
Benefits, losses and expenses   ¥ 600   900   1,000      
Registered capital percentage 50.00% 50.00%              
Reserves and surplus percentage 10.00% 10.00%              
Statutory reserve funds            
Foreign currency exchange rate, translation 6.8980           6.8980    
Number of operating segments | Integer 1 1              
Number of reportable segments | Integer 1 1              
Before May 1, 2018 [Member]                  
Product Information [Line Items]                  
Value added tax percentage 17.00% 17.00%              
From May 1, 2018 to April 1, 2019 [Member]                  
Product Information [Line Items]                  
Value added tax percentage 16.00% 16.00%              
After April 1, 2019 [Member]                  
Product Information [Line Items]                  
Value added tax percentage 13.00% 13.00%              
Minimum [Member]                  
Product Information [Line Items]                  
Estimated useful life 3 years           3 years    
Maximum [Member]                  
Product Information [Line Items]                  
Estimated useful life 10 years           10 years    
Supplier Concentration Risk [Member] | Supplier Two [Member]                  
Product Information [Line Items]                  
Revenue from the customers amounted | $         $ 56,900        
Supplier Concentration Risk [Member] | Supplier Three [Member]                  
Product Information [Line Items]                  
Revenue from the customers amounted | $     $ 115,400            
Supplier Concentration Risk [Member] | Supplier Four [Member]                  
Product Information [Line Items]                  
Revenue from the customers amounted | $ $ 141,000                
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Customer [Member]                  
Product Information [Line Items]                  
Revenue from the customers amounted   ¥ 39,800   ¥ 26,500   37,800      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Customer [Member]                  
Product Information [Line Items]                  
Revenue from the customers amounted   ¥ 22,200       24,300      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Three Customer [Member]                  
Product Information [Line Items]                  
Revenue from the customers amounted           ¥ 20,000      
Credit Risk [Member]                  
Product Information [Line Items]                  
Cash and cash equivalents, and restricted cash             ¥ 262,100 ¥ 109,200