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v3.8.0.1

Intangible assets, net (Details) ¥ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 CNY (¥) | Dec. 31, 2016 CNY (¥) | Dec. 31, 2015 CNY (¥) | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CNY (¥)
ZHEJIANG TIANLAN |  |  |  |  |
Patents |  | ¥ 2,400 |  |  | ¥ 2,400
Others |  | 567 |  |  | 567
Gross |  | 2,967 |  |  | 2,967
Less: Accumulated amortisation |  | (1,592) |  |  | (1,744)
Net |  | 1,375 |  |  | 1,223
Amortisation expense | ¥ 152 | 193 | ¥ 575 |  |
2018 |  |  |  |  | 152
2019 |  |  |  |  | 152
2020 |  |  |  |  | 152
2021 |  |  |  |  | 152
2022 |  |  |  |  | 152
Thereafter |  |  |  |  | 463
Total |  | 1,375 |  |  | 1,223
ZHEJIANG JIAHUAN |  |  |  |  |
Software |  | 591 |  |  | 4,688
Gross |  | 591 |  |  | 4,688
Less: Accumulated amortisation |  | (349) |  |  | (1,043)
Net |  | 242 |  |  | 3,645
Amortisation expense | ¥ 591 | 266 | ¥ 833 |  |
2018 | $ |  |  |  | $ 591 |
2019 | $ |  |  |  | 591 |
2020 | $ |  |  |  | 591 |
2021 | $ |  |  |  | 591 |
2022 | $ |  |  |  | 591 |
Thereafter | $ |  |  |  | $ 690 |
Total |  | ¥ 242 |  |  | ¥ 3,645

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- Definition Gross carrying amount before accumulated amortization as of the balance sheet date of the costs pertaining to the exclusive legal rights granted to the owner of the patent to exploit an invention or a process for a period of time specified by law. Such costs may have been expended to directly apply and receive patent rights, or to acquire such rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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