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Related party transactions (Tables) | 12 Months Ended
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Sep. 30, 2021
Related party transactions |
Schedule of relationship and the nature of related party transactions | ​
​ | ​ | ​ | ​ | ​
Name of related Party |  | Relationship to the Company |  | Nature of transactions
Forasen Group Co., Ltd. ("Forasen Group") |  | Owned by Mr Zhengyu Wang, the Chairman of Board of Directors of the Company |  | Purchases from the Company; leases factory building to the Company; provides the real property and land use right as additional security for a bank loan.
Zhejiang Tantech Bamboo Technology Co., Ltd. |  | Under common control of Mr Zhengyu Wang and Ms Yefang Zhang, CEO of the Company |  | Lease factory building to the Company; purchases from the Company; provide guarantee for the Company's short-term loan; provide an office property and land use right as additional security for the Company's short-term bank loan.
Hangzhou Forasen Energy Technology Co., Ltd. | ​ | Controlled by Mr Zhengyu Wang | ​ | Purchase from the Company.
Zhejiang Forasen Asset Management Co., Ltd. | ​ | Controlled by Mr. Zhengyu Wang and CEO Ms. Yefang Zhang | ​ | Purchase from the Company
Hangzhou Forasen Technology Co., Ltd | ​ | Controlled by Mr. Zhengyu Wang | ​ | Sublease of office space from the Company.
FarmNet Limited | ​ | Controlled by CEO Ms. Yefang Zhang | ​ | Advances to the Company
Yefang Zhang | ​ | CEO of the Company | ​ | Provide a working capital loan.
Xinyang Wang | ​ | Shareholder of Nongyuan Network | ​ | Provide the real property and land use right as additional security for the issuance of bank acceptance notes by Nongyuan Network. Provide a real property as additional security for a short-term bank.
Dehong Zhang | ​ | CEO of the Company, Yefang Zhang's brother | ​ | Provide a guarantee as an additional security for a revolving loan.
Zhejiang Forasen Zhutan Co., Ltd. | ​ | Controlled by CEO Ms. Yefang Zhang | ​ | Purchase from the Company.
Hangzhou Xinying Industrial Co., Ltd. | ​ | Controlled by Mr. Zhengyu Wang and CEO Ms. Yefang Zhang | ​ | Purchase from the Company.
Hangzhou Carbon Technology Co., Ltd. |  | Controlled by CEO Ms. Yefang Zhang |  | Purchase from the Company.
Shenzhen Daliniu New Energy Car Rental Co., Ltd |  | A subsidiary of non-controlling interest |  | Purchase from the Company.
Schedule of due to related parties | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | As of |  | As of
​ | ​ | September 30, | ​ | September 30,
​ | ​ | 2021 | ​ | 2020
Yefang Zhang | ​ | $ | — | ​ | $ | 1,714,811
Farmnet | ​ | ​ | 54,600 | ​ | ​ | —
Zhejiang Tantech Bamboo Technology Co., Ltd. | ​ |  | 3,032 | ​ |  | —
Total | ​ | $ | 57,632 | ​ | $ | 1,714,811

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- Definition Represents information of Due to related parties. + References No definition available. + Details
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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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