TAXES - Aggregate amount and per share effect (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| TAXES | ||
| The aggregate amount of PRC preferential tax rate | $ 250,663 | $ 259,890 |
| The aggregate effect on basic net (loss) income per share | $ (0.53) | $ (0.77) |
| The aggregate effect on diluted net (loss) income per share | $ (0.53) | $ (0.77) |