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Other income, net | 12 Months Ended
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Dec. 31, 2021
Other income, net | 14 Other income, net
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | US$’000 |  |  | US$’000 |  |  | US$’000 |
Exchange gain / (loss), Other income, netnet |  |  | 77 |  |  |  | 101 |  |  |  | (30 | )
Rental income |  |  | 50 |  |  |  | 59 |  |  |  | 82 |
Government subsidies – Employment Support Scheme * |  |  | - |  |  |  | 147 |  |  |  | - |
|  |  | 127 |  |  |  | 307 |  |  |  | 52 |
* The amount represents salaries and wage subsidies granted under Anti-Epidemic Fund by the Government of the Hong Kong Special Administrative Region for the use of paying wages of employees from June to November 2020.
ZHEJIANG TIANLAN |
Other income, net | 16 Other income and other losses Other income
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |
Compensation income |  |  | - |  |  |  | 22,548 |  |  |  | - |
Gain on disposal of property, plant and equipment |  |  | 39 |  |  |  | - |  |  |  | 39 |
Investment income |  |  | 531 |  |  |  | 266 |  |  |  | - |
Amounts waived by payees |  |  | 3,061 |  |  |  | 4,535 |  |  |  | 280 |
Reversal of allowance for doubtful accounts |  |  | 183 |  |  |  | 6,463 |  |  |  | - |
Subsidy income from PRC government |  |  | 7,780 |  |  |  | 5,834 |  |  |  | 5,957 |
|  |  | 11,594 |  |  |  | 39,646 |  |  |  | 6,276 |
Other losses
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |
Bad debts written off |  |  | - |  |  |  | - |  |  |  | 5,383 |
Impairment loss on contract assets |  |  | 1,238 |  |  |  | 1,399 |  |  |  | - |
Impairment loss on long-term investments |  |  | - |  |  |  | 1,340 |  |  |  | - |
Impairment loss on property, plant and equipment |  |  | - |  |  |  | 2,742 |  |  |  | - |
Investment loss |  |  | - |  |  |  | - |  |  |  | 241 |
|  |  | 1,238 |  |  |  | 5,481 |  |  |  | 5,624 |

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