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Intangible assets, net (Tables)
 12 Months Ended
Dec. 31, 2023
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule of intangible assets, net In determining the useful life of an intangible asset, the Group considers the factors such as the expected use of the asset by the Group, and any legal, regulatory, or contractual provisions that may limit the useful life:
CategoryEstimated useful life
Software3 years
Software license rights3 years
Patent 3 years
Trademarks10 years
Intangible assets, net consisted of the following:
As of December 31,
20222023
RMBRMB
Software103,509 121,950 
Software license rights— 143,725 
Others— 2,794 
Intangible assets103,509 268,469 
Less: accumulated amortization(58,648)(86,183)
Less: impairment provision— (2,945)
Intangible assets, net44,861 179,341 
Schedule of amortization expenses on intangible assets allocated to expense items
Amortization of intangible assets was allocated as follows:
Year ended December 31,
202120222023
RMBRMBRMB
Cost of revenues77 — 7,985 
Selling, general and administrative expenses6,721 9,987 10,047 
Research and development expenses15,089 14,045 13,808 
Total amortization21,887 24,032 31,840 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Estimated amortization expenses relating to the existing intangible assets with finite lives for the next five years is as follows:
As of December 31,
RMB
202468,895 
202562,511 
202646,802 
2027811 
2028253