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v3.21.4

Parent Only Information (Details) - CNY (¥) | Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Parent Only Information (Details) [Line Items] |  |  |
Current liabilities | ¥ 8,220,000 | ¥ 23,692,000 | ¥ 11,513
Non-current liabilities |  |  | 69,762
Minimum [Member] |  |  |
Parent Only Information (Details) [Line Items] |  |  |
Current liabilities |  |  | 11,513
Non-current liabilities |  |  |
Maximum [Member] |  |  |
Parent Only Information (Details) [Line Items] |  |  |
Current liabilities |  |  | 81,275
Non-current liabilities |  |  | ¥ 69,762

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