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INTANGIBLE ASSETS, NET | 12 Months Ended
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Sep. 30, 2021
INTANGIBLE ASSETS, NET |
INTANGIBLE ASSETS, NET | NOTE 7 – INTANGIBLE ASSETS, NET Intangible assets, net consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | As of |  | As of
​ | ​ | September 30, 2021 | ​ | September 30, 2020
Land use rights | ​ | $ | 2,521,646 | ​ | $ | 2,393,660
Software | ​ |  | 43,875 | ​ |  | 39,916
License for drug manufacturing | ​ |  | 61,939 | ​ |  | 58,796
Total | ​ |  | 2,627,460 | ​ |  | 2,492,372
Less: accumulated amortization | ​ |  | (699,527) | ​ |  | (610,650)
Intangible assets, net | ​ | $ | 1,927,933 | ​ | $ | 1,881,722
​ Amortization expense was $55,782, $50,274, and $50,351 for the years ended September 30, 2021, 2020 and 2019, respectively. Estimated future amortization expense for intangible assets is as follows: ​
​ | ​ | ​ | ​
​ |  | Amortization
Year ending September 30, | ​ | expense
2022 | ​ | $ | 55,914
2023 | ​ |  | 55,307
2024 | ​ |  | 55,307
2025 | ​ |  | 55,307
2026 | ​ | ​ | 55,307
Thereafter | ​ |  | 1,650,791
​ | ​ | $ | 1,927,933
​

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -URI https://asc.fasb.org/subtopic&trid=2144471 + Details
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