v3.26.3
Organization and principal activities - Narratives (Details)
Aug. 13, 2025
CNY (¥)
Aug. 13, 2025
HKD ($)
Dec. 24, 2024
CNY (¥)
Jun. 30, 2023
shares
Jun. 30, 2026
Dec. 31, 2025
Jun. 07, 2023
May 26, 2023
CNY (¥)
Nov. 30, 2022
CNY (¥)
WISMASS BVI                  
Organization and principal activities                  
Percentage of interest held       18.1488%          
Meirusi | Kunyuan                  
Organization and principal activities                  
Consideration for acquisition     ¥ 9,000,000            
Meirusi | Kunyuan                  
Organization and principal activities                  
Equity interest acquired     75.00%            
Meirusi | Jiazhi                  
Organization and principal activities                  
Equity interest acquired     100.00%            
Consideration for acquisition     ¥ 23,000,000            
Jiade Zhigao                  
Organization and principal activities                  
Percentage of ownership held         99.98% 99.98%      
Jiade Zhigao | WISMASS HK                  
Organization and principal activities                  
Percentage of interest held               18.00%  
Jiade Zhigao | Mr. Yuan Li                  
Organization and principal activities                  
Percentage of ownership held                 51.33%
Jiade Zhigao | Mr. Yuan Li | WISMASS HK                  
Organization and principal activities                  
Percentage of interest held               9.8901% 9.00%
Total consideration on percentage of equity interest acquired               ¥ 751,648 ¥ 180,000
Shenzhen Kebiao                  
Organization and principal activities                  
Percentage of ownership held         99.98% 99.98%      
Shenzhen Kebiao | Mr. Yuan Li, Ms. Zhirong Zhou, Sichuan Zhongtaizhigao Information Technology Consulting Partnership, and Sichuan Jiaduozhigao Information Technology Consulting Partnership                  
Organization and principal activities                  
Percentage of ownership held by NCI             1.00%    
WISMASS HK                  
Organization and principal activities                  
Percentage of ownership held         100.00% 100.00%      
WISMASS HK | WISMASS BVI                  
Organization and principal activities                  
Percentage of ownership held       100.00%          
Kunyuan                  
Organization and principal activities                  
Percentage of ownership held         74.98% 74.98%      
Kunyuan | Meirusi                  
Organization and principal activities                  
Percentage of ownership held     75.00%            
Jiazhi                  
Organization and principal activities                  
Percentage of ownership held         99.98% 99.98%      
Jiazhi | Meirusi                  
Organization and principal activities                  
Percentage of ownership held     100.00%            
HK Yifu International Limited                  
Organization and principal activities                  
Percentage of ownership held         100.00% 100.00%      
Consideration for acquisition ¥ 9,032 $ 10,000              
HK Yifu International Limited | HK Yifu International Limited                  
Organization and principal activities                  
Equity interest acquired 100.00% 100.00%              
HK Yifu International Limited | Guoqiang Wu                  
Organization and principal activities                  
Percentage of ownership held 100.00% 100.00%              
Shenzhen Kebiao | Jiade Zhigao | Mr. Yuan Li, Ms. Zhirong Zhou, Sichuan Zhongtaizhigao Information Technology Consulting Partnership, and Sichuan Jiaduozhigao Information Technology Consulting Partnership                  
Organization and principal activities                  
Percentage of ownership held             82.00%    
Percentage of equity interest given in exchange             1.00%    
Jiadezhigao HK | Shenzhen Kebiao                  
Organization and principal activities                  
Percentage of ownership held             99.00%    
WISMASS HK                  
Organization and principal activities                  
Number of shares issued in transaction | shares       4,035,471