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Intangible assets, net | 12 Months Ended
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Dec. 31, 2024
ZHEJIANG TIANLAN |
Intangible assets, net |
10. | Intangible assets, net
|  | December 31, |
|  | 202 4 |  |  | 202 3 |
|  | RMB’000 |  |  | RMB’000 |
Amortizable intangible assets |  |  |  |  |  |
Gross carrying amount |  |  |  |  |  |
Patents |  |  | 4,150 |  |  |  | 4,150 |
Others |  |  | 165 |  |  |  | 165 |
|  |  | 4,315 |  |  |  | 4,315 |
Less: Accumulated amortization |  |  | (2,787 | ) |  |  | (2,552 | )
Net carrying amount |  |  | 1,528 |  |  |  | 1,763 |
|  | Year ended December 31, |
|  | 202 4 |  |  | 202 3 |  |  | 202 2 |
|  | RMB’000 |  |  | RMB’000 |  |  | RMB’000 |
Amortization expense |  |  | 235 |  |  |  | 246 |  |  |  | 257 |
At December 31, 2024, estimated future intangible assets amortization expense for each of the next five years and thereafter was as follows:
|  | Future amortization expense |
|  | RMB’000 |
2025 |  |  | 235 |
2026 |  |  | 235 |
2027 |  |  | 235 |
2028 |  |  | 235 |
2029 |  |  | 235 |
Thereafter |  |  | 353 |
Total |  |  | 1,528 |

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