INCOME TAXES - Schedule of reconciliation of differences between statutory tax rate and effective tax rate (Details) - USD ($)	12 Months Ended
Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Reconciliation of differences between statutory tax rate and effective tax rate
Loss before income tax expenses	$ 2,292,643	$ 4,660,550	$ 1,920,048
Cayman statutory income tax rate	0.00%	0.00%	0.00%
Increase in income tax expense resulting from:
Rate differences in various jurisdictions	$ 161,339	$ 23,639	$ 24,529
Income tax expense / effective tax rate	$ 161,339	$ 23,639	$ 24,529

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.

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