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v3.23.1

Taxation (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 CNY (¥)
Taxation |  |  |  |
Equity interest held | 25.00% | 25.00% |  |
Adjustments to the tax benefit accumulated in prior years |  |  |  | ¥ (4,324)
Current income tax expense | ¥ 62,348 |  | ¥ 23,565 | 6,368
Deferred income tax expense | (7,245) |  | 18,700 |
Total | ¥ 55,103 | $ 7,989 | ¥ 42,265 | ¥ 6,368
US |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 29.84% | 29.84% | 29.84% | 29.84%
United Kingdom |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 19.00% | 19.00% | 19.00% | 19.00%
Germany |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 32.98% | 32.98% | 32.98% | 32.98%
Norway |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 22.00% | 22.00% | 22.00% |
Netherlands |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 25.80% | 25.80% | 25.00% |
Cayman Islands Tax Information Authority [Member] |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 0.00% | 0.00% |  |
State Administration of Taxation, China [Member] |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 25.00% | 25.00% |  |
Preferential tax rate | 15.00% | 15.00% |  |
Percentage of withholding tax for foreign investors non resident enterprises | 10.00% | 10.00% |  |
Percentage of withholding tax for resident enterprise | 5.00% | 5.00% |  |
State Administration of Taxation, China [Member] | Minimum |  |  |  |
Taxation |  |  |  |
Percent entitled to claim for qualified research and development expenses | 175.00% | 175.00% |  |
Additional percentage of qualified research and development expenses claimed in annual filing | 75.00% | 75.00% |  |
State Administration of Taxation, China [Member] | Maximum |  |  |  |
Taxation |  |  |  |
Percent entitled to claim for qualified research and development expenses | 200.00% | 200.00% |  |
Additional percentage of qualified research and development expenses claimed in annual filing | 100.00% | 100.00% |  |
Inland Revenue, Hong Kong [Member] | Remaining taxable income |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 16.50% | 16.50% |  |
Inland Revenue, Hong Kong [Member] | First HKD2,000 Taxable Income |  |  |  |
Taxation |  |  |  |
Effective income tax rate | 8.25% | 8.25% |  |

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