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Concentration and Risks (Tables) | 12 Months Ended
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Dec. 31, 2021
Credit Risk |
Concentration Risk [Line Items] |
Summary of Concentration of Risk | Concentration risk of accounts and notes receivable from third parties are presented as below:
|  | As of December 31, |
|  | 2020 |  |  | 2021 |
|  | RMB |  |  |  |  |  |  | RMB |  |  |  |  |
Company A |  |  | 221,614 |  |  |  | 52 | % |  |  | 161,785 |  |  |  | 54 | %
Company B |  |  | 164,518 |  |  |  | 38 | % |  |  | 37,776 |  |  |  | 12 | %
Concentration risk of accounts receivable from a related party are presented as below:
|  | As of December 31, |
|  | 2020 |  |  | 2021 |
|  | RMB |  |  |  |  |  |  | RMB |  |  |  |  |
Xiaomi |  |  | 609,094 |  |  |  | 100 | % |  |  | 320,939 |  |  |  | 100 | %
Concentration risk of other receivables from related parties are presented as below:
|  | As of December 31, |
|  | 2020 |  |  | 2021 |
|  | RMB |  |  |  |  |  |  | RMB |  |  |  |  |
Xiaomi |  |  | 88,038 |  |  |  | 100 | % |  |  | 88,367 |  |  |  | 100 | %
Revenue Concentration Risk |
Concentration Risk [Line Items] |
Summary of Concentration of Risk |
|  | Year ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  |  |  |  |  | RMB |  |  |  |  |  |  | RMB |  |  |  |  |
Xiaomi |  |  | 2,112,170 |  |  |  | 45 | % |  |  | 2,889,441 |  |  |  | 50 | % |  |  | 2,295,569 |  |  |  | 43 | %

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