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Income Taxes (Details)	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2019
Hong Kong [Member]
Income Taxes (Details) [Line Items]
Statuatry income tax rate percentage	16.50%
PRC [Member]
Income Taxes (Details) [Line Items]
Statuatry income tax rate percentage	25.00%
High and New Technology Enterprise [Member]
Income Taxes (Details) [Line Items]
Preferential tax rate percentage		15.00%
Huadi Steel [Member]
Income Taxes (Details) [Line Items]
Preferential tax rate percentage	2021.00%	15.00%

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Preferential tax rate percentage.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

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