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Intangible assets, net | 12 Months Ended
--- | ---
Dec. 31, 2017
ZHEJIANG TIANLAN |
Intangible assets, net |
| 2017 | 2016
| RMB’000 | RMB’000
Patents | 2,400 | 2,400
Others | 567 | 567
| 2,967 | 2,967
Less: Accumulated amortisation | (1,744) | (1,592)
| 1,223 | 1,375
| 2017 | 2016 | 2015
| RMB’000 | RMB’000 | RMB’000
Amortisation expense | 152 | 575 | 193
The useful lives of intangible assets, net of the Group are normally 10-20 years. The following table represents the total estimated amortization of intangible assets, net for the five succeeding fiscal years to December 31, 2017:
For the Twelve Months Ending December 31, | Estimated Amortization Expenses
| RMB’000
2018 | 152
2019 | 152
2020 | 152
2021 | 152
2022 | 152
Thereafter | 463
| 1,223
ZHEJIANG JIAHUAN |
Intangible assets, net |
| 2017 | 2016
| RMB’000 | RMB’000
Software | 4,688 | 591
| 4,688 | 591
Less: Accumulated amortization | (1,043) | (349)
| 3,645 | 242
| 2017 | 2016 | 2015
| RMB’000 | RMB’000 | RMB’000
Amortization expenses | 591 | 266 | 83
The useful lives of intangible assets, net of the Group are normally 5-20 years. The following table represents the total estimated amortization of intangible assets, net for the five succeeding fiscal years to December 31, 2017:
For the Twelve Months Ending December 31, |  | Estimated Amortization Expenses
|  | RMB’000
2018 |  | 591
2019 |  | 591
2020 |  | 591
2021 |  | 591
2022 |  | 591
Thereafter |  | 690
|  | 3,645

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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