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v3.23.1

BORROWINGS - Long term borrowings (Details) | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |
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Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2022 CNY (¥) | Nov. 30, 2022 USD ($) | Nov. 30, 2022 CNY (¥) | Aug. 31, 2022 USD ($) | Aug. 31, 2022 CNY (¥) | May 31, 2022 USD ($) | May 31, 2022 CNY (¥) | Dec. 31, 2021 CNY (¥) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 CNY (¥) | Sep. 30, 2020 USD ($) | Sep. 30, 2020 CNY (¥) | Jun. 30, 2019 USD ($) | Jun. 30, 2019 CNY (¥) | Feb. 28, 2019 USD ($) | Feb. 28, 2019 CNY (¥)
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount repaid |  |  | $ 4,353,588 |  | $ 5,089,717 |  | $ 1,063,670 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  | 2,850,128 |  | 1,376,319 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings from Shanghai Pudong Development Bank Co., Ltd., one |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,076,874 | ¥ 7,500,000
Term of the debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.46% | 5.46%
Amount repaid |  |  | 358,958 | ¥ 2,500,000 | 484,594 | ¥ 3,375,000 | $ 179,479 | ¥ 1,250,000 | $ 53,844 | ¥ 375,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  |  |  | 358,958 |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 2,500,000 |  |  |  |  |  |  |  |
Borrowings from Shanghai Pudong Development Bank Co., Ltd., two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 861,500 | ¥ 6,000,000 |  |
Term of the debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.23% | 5.23% |  |
Amount repaid | $ 143,583 | ¥ 1,000,000 | 287,167 | 2,000,000 | 387,675 | 2,700,000 |  |  | $ 43,075 | ¥ 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  |  |  | 287,167 |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |
Borrowings from Shanghai Pudong Development Bank Co., Ltd., three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,369,124 | ¥ 16,500,000 |  |  |  |
Term of the debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.27% | 4.27% |  |  |  |
Amount repaid |  |  | 552,796 | 3,850,000 | 236,912 | ¥ 1,650,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  | 1,579,416 |  | 552,796 |  |  |  |  |  | ¥ 11,000,000 |  |  |  |  |  |  | 3,850,000 |  |  |  |  |  |  |  |
Borrowings from Shanghai Pudong Development Bank Co., Ltd., four |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,220,458 | ¥ 8,500,000 |  |  |  |  |  |
Term of the debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.05% | 4.05% |  |  |  |  |  |
Amount repaid |  |  | 61,023 | 425,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  | 122,046 |  | $ 61,023 |  |  |  |  |  | 850,000 |  |  |  |  |  |  | ¥ 425,000 |  |  |  |  |  |  |  |
Borrowings from Shanghai Pudong Development Bank Co., Ltd., five |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,871,665 | ¥ 20,000,000 |  |  |  |  |  |  |  |  |
Term of the debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% | 4.00% |  |  |  |  |  |  |  |  |
Amount repaid |  |  | 71,792 | ¥ 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  | 215,375 |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings from Shanghai Pudong Development Bank Co., Ltd., six |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,871,665 | ¥ 20,000,000 |  |  |  |  |  |  |  |  |  |  |
Term of the debt |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% | 4.00% |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  | 143,583 |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings from Shanghai Pudong Development Bank Co., Ltd., seven |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  | $ 1,435,833 | ¥ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Term of the debt |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 4.00% | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  | 71,792 |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings from Agricultural Bank of China Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  |  |  |  |  |  |  |  |  |  | $ 1,421,474 | ¥ 9,900,000 | $ 1,421,474 | ¥ 9,900,000 | $ 4,307,498 | ¥ 30,000,000 |  |  |  |  |  |  |  |  |
Term of the debt |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years | 3 years | 3 years | 3 years | 3 years |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 4.00% | 4.00% | 4.00% | 4.00% | 4.00% | 4.00% |  |  |  |  |  |  |  |  |
Current portion of long-term borrowings |  |  | $ 143,583 |  |  |  |  |  |  |  | ¥ 1,000,000 |  |  |  |  | $ 430,750 | ¥ 3,000,000 |  |  |  |  |  |  |  |  |

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