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v3.21.4

Taxes - Reconciliation of tax rates (Details) | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Taxes |  |  |
Income tax rate | 25.00% | 25.00% | 25.00%
Effect of income tax exemption | (41.01%) | (27.49%) | (25.34%)
Favorable tax rate impact (a) | 0.33% | 1.46% | (0.58%)
Permanent difference | (8.18%) | 0.00% | 0.26%
Changes of deferred tax assets valuation allowances | 1.96% | 5.27% | 0.48%
Non-PRC entities not subject to PRC income tax | 23.61% | 2.84% | (13.48%)
Total | 1.05% | 4.16% | (12.50%)

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