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v3.21.1

Intangible assets (Details) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 CNY (¥)
Finite-Lived Intangible Assets [Line Items] |
Total Intangible assets | ¥ 25,955
Intangible assets, net | 21,821
Customer relationships |
Finite-Lived Intangible Assets [Line Items] |
Total Intangible assets | 3,300
accumulated amortization | ¥ (1,100)
Useful life of intangible assets | 3 years
Trade names |
Finite-Lived Intangible Assets [Line Items] |
Total Intangible assets | ¥ 4,822
accumulated amortization | ¥ (487)
Useful life of intangible assets | 10 years
Technologies |
Finite-Lived Intangible Assets [Line Items] |
Total Intangible assets | ¥ 17,833
accumulated amortization | ¥ (2,547)
Useful life of intangible assets | 7 years
Minimum |
Finite-Lived Intangible Assets [Line Items] |
Useful life of intangible assets | 3 years
Maximum |
Finite-Lived Intangible Assets [Line Items] |
Useful life of intangible assets | 10 years

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