XML 61 R43.htm IDEA: XBRL DOCUMENT v3.25.1
Summary of significant accounting policies (Tables)
 12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]  
Schedule of estimated useful life of property and equipment
Depreciation on property and equipment is calculated on the straight-line method over the estimated useful lives of the assets as below:
CategoryEstimated useful life
Machinery and electronic equipment
3 – 10 years
Transportation vehicles4 years
Office and other equipment5 years
Leasehold improvementsShorter of the lease term and the estimated useful lives of the assets
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
Distribution and licensing rights
3 - 10 years
Patent 3 years
Trademarks10 years
Developed technology10 years
Intangible assets, net consisted of the following:
As of December 31,
20232024
RMBRMB
Software121,950 164,369 
Distribution and licensing rights143,725 185,363 
Trademark139 270 
Patent2,655 2,655 
Developed technology (refer to Note 3.c)— 138,569 
Intangible assets268,469 491,226 
Less: accumulated amortization(86,183)(177,871)
Less: impairment(2,945)(3,578)
Intangible assets, net179,341 309,777 
Schedule of deferred government grants
As of December 31, 2023 and 2024, deferred government grants are recorded as follow:
As of December 31,
20232024
RMBRMB
Accrued expenses and other current liabilities— 5,833 
Other non-current liabilities – third parties48,792 98,002