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FINANCE INCOME AND COSTS (Tables) | 12 Months Ended
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Dec. 31, 2022
Finance Income And Costs |
Schedule of finance income and costs |
Schedule of finance income and costs |  |  |  |  |  |  |  |  |  |  |  |
|  | CNY |  |  | CNY |  |  | CNY |  |  | US$ |
|  | Year Ended December 31, |
|  | 2020 |  |  | 2021 |  |  | 2022 |  |  | 2022 |
Finance income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income on loans to related parties/ a third party |  |  | 6,455 |  |  |  | 6,780 |  |  |  | 6,792 |  |  |  | 985 |
Interest income on revenue contracts with significant financing component |  |  | 3,161 |  |  |  | 2,313 |  |  |  | 2,104 |  |  |  | 305 |
Interest income from service concession arrangement |  |  | 4,977 |  |  |  | 7,264 |  |  |  | 6,620 |  |  |  | 960 |
Interest income on structured deposits |  |  | 660 |  |  |  | 328 |  |  |  | — |  |  |  | — |
Interest income on bank deposit |  |  | 215 |  |  |  | 250 |  |  |  | 91 |  |  |  | 13 |
Finance income |  |  | 15,468 |  |  |  | 16,935 |  |  |  | 15,607 |  |  |  | 2,263 |
Finance costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expenses on loans |  |  | 4,028 |  |  |  | 4,035 |  |  |  | 3,882 |  |  |  | 563 |
Interest expense on lease liabilities |  |  | 80 |  |  |  | 150 |  |  |  | 133 |  |  |  | 19 |
Other finance costs* |  |  | 292 |  |  |  | 231 |  |  |  | (620 | ) |  |  | (90 | )
Less: interest expense capitalized into intangible assets-concession right** |  |  | (651 | ) |  |  | (57 | ) |  |  | — |  |  |  | — |
Finance costs |  |  | 3,749 |  |  |  | 4,359 |  |  |  | 3,395 |  |  |  | 492 |
* |  | Finance costs from operations mainly represented bank charges and foreign currency exchange differences. The amounts of bank charges were CNY37, CNY38 and CNY42 (US$6) and the foreign currency exchange losses/(gains) amounted to CNY255, CNY193 and CNY (662) (US$(96)) for the years ended December 31, 2020, 2021 and 2022, respectively.
** |  | The borrowing costs have been capitalized at a rate of 5.05% per annum during the years ended December 31, 2020 and 2021.

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