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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2021
Commitments And Contingencies Disclosure [Abstract] |
Schedule of Future Minimum Commitments of Short-Term Lease and Leases Not yet Commenced under Non-Cancellable Agreements | As of December 31, 2021, future minimum commitments under non-cancelable agreements were as follows:
|  | Rental |
|  | RMB |
2022 |  |  | 484 |
Schedule of Capital and Other Commitment | Capital expenditures contracted for at the balance sheet dates but not recognized in the consolidated financial statements are as follows:
|  | Year ended December 31, |
|  | 2020 |  |  | 2021 |
Property, plant and equipment |  |  | — |  |  |  | 116,527 |

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