| Schedule of Company's activities with respect to the redeemable convertible preferred shares |
| | | | | | | | | | | | | | | Series Pre-A | | Series A | | | | | | | Preferred Shares | | Preferred Shares | | Total | | | Shares | | US$ | | Shares | | US$ | | Shares | | US$ | Balance as of January 1, 2021 and 2022 | | — | | — | | — | | — | | — | | — | Issuance of preferred shares | | 35,552,179 | | 153,126 | | 27,343,520 | | 190,723 | | 62,895,699 | | 343,849 | Re-designation of ordinary shares into preferred shares | | 5,332,827 | | 23,650 | | — | | — | | 5,332,827 | | 23,650 | Accretion of redeemable convertible preferred shares | | — | | 508 | | — | | 402 | | — | | 910 | Balance as of December 31, 2022 | | 40,885,006 | | 177,284 | | 27,343,520 | | 191,125 | | 68,228,526 | | 368,409 | Accretion of redeemable convertible preferred shares | | — | | 7,225 | | — | | 7,896 | | — | | 15,121 | Balance as of December 31, 2023 | | 40,885,006 | | 184,509 | | 27,343,520 | | 199,021 | | 68,228,526 | | 383,530 |
|