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Investment property (Tables) | 12 Months Ended
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Dec. 31, 2021
Statement [Line Items] |
Summary of Investment Property |
|  | 31.12.2020 |  |  | 31.12.2021 |  |  | 31.12.2021 |
|  | RMB’000 |  |  | RMB’000 |  |  | US$’000 |
Cost |  |  |  |  |  |  |  |  |  |  |  |
At January 1 |  |  | 34,940 |  |  |  | 33,187 |  |  |  | 5,249 |
Translation difference |  |  | (1,753 | ) |  |  | (1,377 | ) |  |  | (218 | )
At December 31 |  |  | 33,187 |  |  |  | 31,810 |  |  |  | 5,031 |
Accumulated depr e ciation |  |  |  |  |  |  |  |  |  |  |  |
At January 1 |  |  | 28,388 |  |  |  | 27,358 |  |  |  | 4,327 |
Charge for the year |  |  | 376 |  |  |  | 355 |  |  |  | 56 |
Translation difference |  |  | (1,406 | ) |  |  | (989 | ) |  |  | (156 | )
At December 31 |  |  | 27,358 |  |  |  | 26,724 |  |  |  | 4,227 |
Net carrying amount |  |  | 5,829 |  |  |  | 5,086 |  |  |  | 804 |
Fair value |  |  | 11,954 |  |  |  | 11,308 |  |  |  | 1,789 |
Consolidated statements of profit or loss: |  |  |  |  |  |  |  |  |  |  |  |
Rental income from an investment property |  |  | 230 |  |  |  | 77 |  |  |  | 12 |
Direct operating expenses (including repairs, maintenance and depreciation expense) arising from the rental generating property |  |  | (180 | ) |  |  | (82 | ) |  |  | (13 | )
Summary of Fair Value Measurement of Investment Property | The following table shows information about fair value measurement of the investment property using significant unobservable inputs (Level 3):
|  | Valuation techniques |  | Unobservable input |  | Inter-relationship between key unobservable inputs and fair value measurement
2021 |  | Market comparison and cost method |  | Comparable price: -  RMB 165 to RMB 401 (US$ 26 to US$ 63) per square foot |  | The estimated fair value increases with higher comparable price
2020 |  | Market comparison and cost method |  | Comparable price: -  RMB 172 to RMB 418 (US$ 27 to US$ 65) per square foot |  | The estimated fair value increases with higher comparable price

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