v3.26.3
Long-term investments, net (Details) - USD ($)
Mar. 31, 2026
Sep. 30, 2025
Long-term investments, net    
Equity investment at cost $ 40,913,370 $ 40,913,370
Accumulated losses from equity method investment (919,017) (308,681)
Long-term investments, net $ 39,994,353 $ 40,604,689