v3.26.1
Short-term investments (Details Narrative) - 6 months ended Jun. 30, 2026
USD ($)
CNY (¥)
CNY (¥)
Short-term Investments      
Short-term investments $ 1,060,000,000   ¥ 7,309,336,000
Investment loss $ 19,443,722 ¥ 134,076,129