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PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Property, Plant and Equipment [Line Items] |  |  |
Subtotal | $ 30,144,798 | $ 28,040,143 |
Construction in progress | 2,020,457 | 158,975 |
Less: accumulated depreciation | (23,045,753) | (20,780,090) |
Property and equipment, net | 9,119,502 | 7,419,028 |
Depreciation expense | 1,145,447 | 1,055,314 | $ 1,137,822
Prepayments for property and equipment | 2,243,622 |  |
Property received and accepted out of Prepayments | 1,061,037 |  |
Property and Buildings |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Subtotal | 9,711,722 | 9,114,893 |
Machinery and equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Subtotal | 19,594,986 | 18,175,739 |
Automobiles |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Subtotal | 689,651 | 611,923 |
Office and electric equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Subtotal | $ 148,439 | $ 137,588 |

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- Definition Amount excluding construction in progress before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References No definition available. + Details
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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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