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v3.20.1

Summary of significant accounting policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Summary of significant accounting policies |
Schedule of estimated useful lives of property, equipment and software |
Category |  | Estimated useful lives |
Electronic equipment |  |  | 3-5 years |
Office equipment |  |  | 5 years |
Vehicles |  |  | 3-5 years |
Logistic s , warehouse and other heavy equipment |  |  | 5-10 years |
Leasehold improvement |  |  | Over the shorter of the expected life of leasehold improvements or the lease term |
Software |  |  | 3-5 years |
Building |  |  | 40 years |
Building improvement |  |  | 5-10 years |
Schedule of estimated useful lives of intangible assets |
Category |  | Estimated useful lives |
Strategic c ooperation |  |  | 5 years |
Non-compete |  |  | 5-8 years |
Domain names and trademarks |  |  | 5-20 years |
Technology and o thers |  |  | 2-10 years |

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- Definition Tabular disclosure of the estimated useful lives of the entity's finite lived intangible assets. + References No definition available. + Details
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- Definition Tabular disclosure of the estimated useful lives of the entity's property, equipment and software. + References No definition available. + Details
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