Summary of Significant Accounting Policies (Tables)
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12 Months Ended |
Dec. 31, 2025 |
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| Accounting Policies [Abstract] |
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| Summary of Cash and Cash Equivalents |
Cash and cash equivalents as reported in the consolidated statement of cash flows are presented separately on the consolidated balance sheets as follows:
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Cash and cash equivalents: |
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RMB |
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15,838,827 |
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15,838,827 |
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14,152,511 |
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14,152,511 |
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US$ |
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345,447 |
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2,483,208 |
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222,584 |
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1,564,499 |
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EUR |
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17,286 |
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130,088 |
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114,337 |
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941,620 |
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Others |
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not applicable |
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134,151 |
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not applicable |
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670,982 |
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Total |
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18,586,274 |
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17,329,612 |
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| Summary of Accounts Receivable, Allowance for Credit Loss |
The following table summarizes the activity in the allowance for credit losses related to accounts receivable, other current assets, installment payment receivables and other non-current assets for the years ended December 31, 2023, 2024 and 2025:
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For the Year Ended
December 31, 2023 |
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| Balance as of December 31, 2022 |
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121,707 |
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| Current period provision |
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70,357 |
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| Write-offs |
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(41,281 |
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| Balance as of December 31, 2023 |
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150,783 |
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For the Year Ended
December 31, 2024 |
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| Balance as of December 31, 2023 |
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150,783 |
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| Current period provision |
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5,572 |
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| Write-offs |
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(36,557 |
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| Balance as of December 31, 2024 |
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119,798 |
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For the Year Ended
December 31, 2025 |
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| Balance as of December 31, 2024 |
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| Current period provision |
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126,298 |
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| Transfer out due to derecognition of financial assets |
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(13,140 |
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| Write-offs |
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(15,271 |
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| Balance as of December 31, 2025 |
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| Summary of Useful Lives of Property Plant and Equipment |
Residual value rate is determined to 0%-50% based on the economic value of the property, plant and equipment at the end of the estimated useful lives as a percentage of the original cost.
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Estimated useful lives |
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Buildings |
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10 to 20 years |
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Machinery and equipment |
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2 to 10 years |
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Charging infrastructure |
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3 to 5 years |
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Vehicles |
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1.5 to 10 years |
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Computer and electronic equipment |
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2 to 10 years |
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Leasehold improvements |
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shorter of the lease
terms or the estimated
useful lives |
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Others |
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2 to 5 years |
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| Summary of Finite Lived Intangible Assets Useful Lives |
Amortization of intangible assets with finite lives are computed using the straight-line method over the estimated useful lives as below:
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| Software |
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2 to 10 years |
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| License of maintenance and overhauls |
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26 months |
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| VPT |
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10 years |
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| VMT |
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5 years |
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| Robotics platform technology |
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10 years |
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| Others |
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5 to 10 years |
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