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Cash and restricted cash (Tables) | 12 Months Ended
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Dec. 31, 2024
Cash and Cash Equivalents [Abstract] |
Schedule of reconciliation of cash and restricted cash | A reconciliation of cash at bank and restricted cash in the consolidated balance sheets to the total amount in the consolidated statement of cash flows is as follows:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Cash at bank | 571,760 |  |  | 324,036 |
Restricted cash | 27,126 |  |  | 43,416 |
Cash and restricted cash shown in the consolidated statements of cash flows | 598,886 |  |  | 367,452 |
As of December 31, 2023, the Group had restricted cash of RMB3,513 pledged for notes payable, and RMB23,613 restricted due to disputes on unpaid amounts to a supplier. As of December 31, 2024, the Group had restricted cash of RMB42,616 pledged for notes payable, and RMB800 restricted due to a dispute with a customer. Cash and restricted cash are amounts deposited with financial institutions at the locations noted below:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Financial institutions in the mainland of the PRC |  |  |
– Denominated in RMB | 528,022 |  |  | 218,313 |
– Denominated in US$ | 14,542 |  |  | 87,855 |
– Denominated in Great Britain Pound (“GBP”) | 81 |  |  | 89 |
–– Denominated in Hong Kong dollars (“HKD”) | — |  |  | 11 |
Total cash balances held in the mainland of the PRC | 542,645 |  |  | 306,268 |
Financial institutions in Hong Kong |  |  |
– Denominated in Hong Kong dollars (“HKD”) | 13 |  |  | 1,485 |
– Denominated in RMB | 27 |  |  | 27 |
Total cash balances held in Hong Kong | 40 |  |  | 1,512 |
Financial institutions in Sweden |  |  |
– Denominated in Swedish Krona (“SEK”) | 39,584 |  |  | 37,651 |
– Denominated in US$ | 204 |  |  | 213 |
–– Denominated in Euro | — |  |  | 16,481 |
Total cash balances held in Sweden | 39,788 |  |  | 54,345 |
Financial institutions in the United Kingdom |  |  |
– Denominated in Great Britain Pounds (“GBP”) | 12,356 |  |  | 4,830 |
Total cash balances held in the United Kingdom | 12,356 |  |  | 4,830 |
Financial institutions in the United States |  |  |
– Denominated in US$ | 3,867 |  |  | 218 |
Total cash balances held in the United States | 3,867 |  |  | 218 |
Financial institutions in Germany |  |  |
– Denominated in Euro | 190 |  |  | 279 |
Total cash balances held in Germany | 190 |  |  | 279 |
Total cash balances held at financial institutions in RMB | 598,886 |  |  | 367,452 |
Restrictions on cash and cash equivalents | A reconciliation of cash at bank and restricted cash in the consolidated balance sheets to the total amount in the consolidated statement of cash flows is as follows:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Cash at bank | 571,760 |  |  | 324,036 |
Restricted cash | 27,126 |  |  | 43,416 |
Cash and restricted cash shown in the consolidated statements of cash flows | 598,886 |  |  | 367,452 |
As of December 31, 2023, the Group had restricted cash of RMB3,513 pledged for notes payable, and RMB23,613 restricted due to disputes on unpaid amounts to a supplier. As of December 31, 2024, the Group had restricted cash of RMB42,616 pledged for notes payable, and RMB800 restricted due to a dispute with a customer. Cash and restricted cash are amounts deposited with financial institutions at the locations noted below:
| As of December 31,
| 2023 |  | 2024
| RMB |  | RMB
Financial institutions in the mainland of the PRC |  |  |
– Denominated in RMB | 528,022 |  |  | 218,313 |
– Denominated in US$ | 14,542 |  |  | 87,855 |
– Denominated in Great Britain Pound (“GBP”) | 81 |  |  | 89 |
–– Denominated in Hong Kong dollars (“HKD”) | — |  |  | 11 |
Total cash balances held in the mainland of the PRC | 542,645 |  |  | 306,268 |
Financial institutions in Hong Kong |  |  |
– Denominated in Hong Kong dollars (“HKD”) | 13 |  |  | 1,485 |
– Denominated in RMB | 27 |  |  | 27 |
Total cash balances held in Hong Kong | 40 |  |  | 1,512 |
Financial institutions in Sweden |  |  |
– Denominated in Swedish Krona (“SEK”) | 39,584 |  |  | 37,651 |
– Denominated in US$ | 204 |  |  | 213 |
–– Denominated in Euro | — |  |  | 16,481 |
Total cash balances held in Sweden | 39,788 |  |  | 54,345 |
Financial institutions in the United Kingdom |  |  |
– Denominated in Great Britain Pounds (“GBP”) | 12,356 |  |  | 4,830 |
Total cash balances held in the United Kingdom | 12,356 |  |  | 4,830 |
Financial institutions in the United States |  |  |
– Denominated in US$ | 3,867 |  |  | 218 |
Total cash balances held in the United States | 3,867 |  |  | 218 |
Financial institutions in Germany |  |  |
– Denominated in Euro | 190 |  |  | 279 |
Total cash balances held in Germany | 190 |  |  | 279 |
Total cash balances held at financial institutions in RMB | 598,886 |  |  | 367,452 |

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