v3.26.3
Borrowings (Details)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
CNY (¥)
Jan. 01, 2026
CNY (¥)
Sep. 09, 2025
CNY (¥)
Aug. 29, 2025
CNY (¥)
Jan. 14, 2025
CNY (¥)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Jun. 30, 2026
USD ($)
Jan. 01, 2026
USD ($)
Dec. 31, 2025
USD ($)
Sep. 09, 2025
USD ($)
Aug. 09, 2025
USD ($)
Jan. 14, 2025
USD ($)
Borrowings [line Items]                              
Interest rate 3.00%                            
Maturity date     Sep. 08, 2026 Aug. 28, 2028 Jan. 13, 2026                    
Outstanding balance amount ¥ 70,000         ¥ 70,000       $ 10,276          
Interest expenses             $ 512 $ 489              
Percentage of weighted average interest rates 3.08%         3.08%   2.82%   3.08%          
Lines of credit                   $ 1,237          
Bank of China Xinyu Branch [Member]                              
Borrowings [line Items]                              
Interest rate           3.00% 3.00%   2.90%            
Maturity date           Mar. 22, 2027 Mar. 22, 2027   Mar. 18, 2026            
Bank Loan Agreements [Member] | Bank of China Xinyu Branch [Member]                              
Borrowings [line Items]                              
Short term borrowings                 ¥ 10,000     $ 1,425      
Jiangxi Leibotai [Member]                              
Borrowings [line Items]                              
Short term borrowings ¥ 10,000         ¥ 10,000       $ 1,468          
Jiangxi Yibo [Member]                              
Borrowings [line Items]                              
Maturity date           Jul. 22, 2026 Jul. 22, 2026                
Repaid principal repayment           ¥ 1,000 $ 148                
Outstanding balance           ¥ 59,000 $ 8,661                
Jiangxi Yibo [Member] | Bank of China Xinyu Branch [Member]                              
Borrowings [line Items]                              
Maturity date           Jul. 09, 2026 Jul. 09, 2026                
Jiangxi Yibo [Member] | Export-Import Bank of China Jiangxi Branch [Member]                              
Borrowings [line Items]                              
Short term borrowings     ¥ 43,500                   $ 6,386    
Interest rate     3.00%                        
Jiangxi Yibo [Member] | Bank Loan Agreements [Member]                              
Borrowings [line Items]                              
Short term borrowings   ¥ 40,000   ¥ 60,000 ¥ 30,000           $ 5,872     $ 8,809 $ 4,275
Interest rate   2.90%   3.00% 3.35%                    
Maturity date   Dec. 30, 2026