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Accounts receivable net (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounts receivable, net |
|  | 2024 |  |  | 2023 |
|  | US$’000 |  |  | US$’000 |
Contract receivables |  |  | 1,386 |  |  |  | 2,864 |
Less: allowance for doubtful accounts |  |  | - |  |  |  | - |
|  |  | 1,386 |  |  |  | 2,864 |
Allowance for doubtful accounts activity |
|  | 2024 |  |  | 2023 |
|  | US$’000 |  |  | US$’000 |
Balance at beginning of period |  |  | - |  |  |  | 28 |
Less : reversal in allowances |  |  | - |  |  |  | (28 | )
Balance at end of period |  |  | - |  |  |  | - |
Age analysis of past due account receivables |
|  | 2024 |  |  | 2023 |
|  | US$’000 |  |  | US$’000 |
Current |  |  | 422 |  |  |  | 1,175 |
Past due |  |  |  |  |  |  |  |
1-30 days |  |  | 397 |  |  |  | 603 |
31-60 days |  |  | 224 |  |  |  | 548 |
61-90 days |  |  | 183 |  |  |  | 341 |
Greater than or equal to 91 days |  |  | 160 |  |  |  | 197 |
|  |  | 964 |  |  |  | 1,689 |
|  |  | 1,386 |  |  |  | 2,864 |
ZHEJIANG TIANLAN |
Accounts receivable, net |
|  | 202 4 |  |  | 202 3 |
|  | RMB’000 |  |  | RMB’000 |
Contract receivables |  | 171,008 |  |  | 157,879 |
Less: allowance for doubtful accounts |  | (35,952 | ) |  | (29,644 | )
|  | 135,056 |  |  | 128,235 |
Allowance for doubtful accounts activity |
|  | 202 4 |  |  | 202 3 |
|  | RMB’000 |  |  | RMB’000 |
Balance at beginning of year |  |  | 29,644 |  |  |  | 40,019 |
Add: provision for allowances |  |  | 6,304 |  |  |  | 10,376 |
Less: reversal of provision for doubtful accounts |  |  | - |  |  |  | (677 | )
Less: write-off of doubtful accounts |  |  | - |  |  |  | (20,074 | )
Balance at end of year |  |  | 35,952 |  |  |  | 29,644 |
Age analysis of past due account receivables |
|  | 202 4 |  |  | 202 3 |
|  | RMB’000 |  |  | RMB’000 |
Within 1 year |  |  | 100,254 |  |  |  | 121,658 |
1 year - 2 years |  |  | 30,292 |  |  |  | 31,499 |
2 years - 3 years |  |  | 10,701 |  |  |  | 3,140 |
3 years - 4 years |  |  | 3,515 |  |  |  | 699 |
4 years - 5 years |  |  | 456 |  |  |  | 883 |
Over 5 years |  |  | 25,790 |  |  |  |  |
Less: allowance for doubtful accounts |  |  | (35,952 | ) |  |  | (29,644 | )
|  |  | 135,056 |  |  |  | 128,235 |

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