v3.26.1
Convertible notes payable (Details Narrative)
12 Months Ended
Oct. 11, 2024
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Jun. 20, 2025
CNY (¥)
May 16, 2025
CNY (¥)
May 06, 2025
CNY (¥)
Dec. 31, 2024
CNY (¥)
Oct. 07, 2024
shares
Aug. 01, 2024
shares
Jun. 05, 2024
shares
Feb. 27, 2024
shares
Convertible Notes Payable                        
Convertible notes payable     ¥ (0)       ¥ 149,090,866        
Convertible payable issued   ¥ 701,803,492                    
Converted to shares   552,712,626                    
Aggregate principal amount | shares                 20,000,000 30,000,000 30,000,000 11,000,000
Convertible note purchase agreement On October 11, 2024, the Company entered into a Convertible Note Purchase Agreement (the “Note Purchase Agreement”) with WiMi Hologram Cloud Inc., a Cayman Islands company (“WiMi”) in connection with the issuance and sale of unsecured convertible notes in the aggregate principal amount of up to $25,000,000 and at an aggregate purchase price of up to $23,000,000 in a transaction exempt from registration under the Securities Act of 1933, as amended. On October 14, 2024, the Company issued to WiMi a convertible note in the principal amount of USD 5,000,000 (the “Convertible Note”). In December, 2024, the Company issued to WiMi a convertible note in the principal amount of USD 10,000,000. In March 2025, the Company issued to WiMi a convertible note in the principal amount of USD 10,000,000.                      
Aggregate amount         ¥ 35,000,000 ¥ 80,000,000 ¥ 36,000,000          
Purchase price       ¥ 41,400,000 ¥ 32,200,000              
Coupon rate     0.00% 0.00%                
Interest rate     8.70% 8.70%                
Convertible note payable amount   ¥ 391,052