TAXES - Income before income taxes (Details) - USD ($)	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Investments, Owned, Federal Income Tax Note [Line Items]
Income before income taxes	$ 1,560,559	$ 3,363,277	$ 5,805,349
China
Investments, Owned, Federal Income Tax Note [Line Items]
Income before income taxes	2,936,530	3,252,583	$ 5,805,349
Cayman Islands
Investments, Owned, Federal Income Tax Note [Line Items]
Income before income taxes	$ (1,375,971)	$ 110,694

Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.20)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration