Advances to suppliers net (Details 1) - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Advances to suppliers net | ||
| Balance as of beginning of year | $ 1,912,362 | $ 54,217 |
| Addition | 0 | 1,807,897 |
| Reversal | (1,860,686) | 0 |
| Translation adjustments | (51,676) | 50,248 |
| Balance as of end of year | $ 0 | $ 1,912,362 |