v3.26.1
SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
Integer
Dec. 31, 2025
CNY (¥)
Integer
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Apr. 01, 2019
Product Information [Line Items]          
Foreign currency exchange buying rate   6.9931      
Impairments of long-lived assets   ¥ 0 ¥ 0    
Estimated useful lives 50 years 50 years      
Number of installment payments from customer | Integer 2 2      
Percentage of second installment payment arrangement to total revenue 10.20% 10.20% 10.50% 3.40%  
Percentage of estimated profit margin based on consideration of specific and relevant market factors 5.00% 5.00%      
Expected sales return   ¥ 114,000 ¥ 198,000 ¥ 24,000  
Expected return asset   63,000 88,000    
Refund liability   129,000 224,000    
Value added tax rate         13.00%
Accounts and notes receivable from key customers   371,458,000 626,290,000    
Accounts receivable from customers   2,927,000 1,306,000    
Contract assets   0 0    
Deferred revenue   416,000 1,864,000    
Advertising and market promotion expenses   95,462,000 53,234,000 62,107,000  
Shipping expenses   43,670,000 50,416,000 66,870,000  
Subsidy income   28,272,000 36,213,000 8,641,000  
Allowance for doubtful accounts $ (184) (1,288,000) (4,359,000) 1,242,000  
Expected credit loss provision for accounts and notes receivable and other receivables   6,750,000 10,965,000 16,631,000  
Uncertain tax positions, interest and penalties recognized   0 0    
Statutory reserve funds   26,493,000    
Accumulated statutory reserve funds recognized in additional paid-in capital   ¥ 39,010,000 12,517,000    
Number of operating segment | Integer 1 1      
Number of reportable segments | Integer 1 1      
General and Administrative Expenses [Member]          
Product Information [Line Items]          
Allowance for doubtful accounts   ¥ 1,288,000 4,360,000 2,563,000  
PRC Contribution Plan [Member]          
Product Information [Line Items]          
Employee benefit expenses   25,565,000 14,188,000 ¥ 18,857,000  
Installation Services [Member]          
Product Information [Line Items]          
Revenue recognized amount   1,864,000 ¥ 1,763,000    
Membership Service [Member]          
Product Information [Line Items]          
Expect to recognize unearned amount for remaining performance obligation in 2026   ¥ 416,000