v3.26.3
SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)
¥ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
CNY (¥)
Integer
Jun. 30, 2025
CNY (¥)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
CNY (¥)
Apr. 01, 2019
Product Information [Line Items]          
Foreign currency exchange buying rate 6.7851        
Number of installment payments from customer | Integer 2        
Percentage of second installment payment arrangement to total revenue 7.80% 12.40%      
Expected sales return ¥ 789 ¥ 474      
Expected return asset 401   ¥ 63    
Refund liability 892   129    
Value added tax rate         13.00%
Deferred revenue 3,028   416    
Expected credit loss provision for accounts and notes receivable and other receivables 5,334 20,447 6,750 ¥ 10,965  
Uncertain tax positions, interest and penalties recognized 0   0    
Statutory reserve funds 3      
[custom:AccumulatedStatutoryReserveFunds] 39,013   ¥ 39,010    
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense          
Product Information [Line Items]          
Allowance for doubtful accounts 1,792 11,565      
Installation Services [Member]          
Product Information [Line Items]          
Revenue recognized amount 416 ¥ 1,864      
Membership Service [Member]          
Product Information [Line Items]          
Expect to recognize unearned amount for remaining performance obligation in 2026 ¥ 3,028