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Cash And Bank Balances And Restricted Cash (Tables) | 12 Months Ended
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Dec. 31, 2022
Cash and cash equivalents [abstract] |
Summary of detailed information about cash and bank balances |
| (a) | Cash and cash equivalents
|  | As of December 31, |
|  | 2021 |  |  | 2022 |
|  | HK$ |  |  | HK$ |
Cash and cash equivalents: |  |  |  |  |  |  |  |
—Cash on hand |  |  | 595,992 |  |  |  | 1,497 |
—General bank accounts |  |  | 525,610,116 |  |  |  | 1,078,409,838 |
Total cash and cash equivalents |  |  | 526,206,108 |  |  |  | 1,078,411,335 |

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