XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Organisation and principal activities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Schedule of significant subsidiaries |
Name | Percentage of equity ownership | Place of incorporation | Principal activities
| 2017 | 2016 |  |
Subsidiaries: |  |  |  |
Euro Tech (Far East) Limited | 100% | 100% | Hong Kong | Marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems
Euro Tech (China) Limited | 100% | 100% | Hong Kong | Inactive
Euro Tech Trading (Shanghai) Limited | 100% | 100% | The PRC | Marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems
Shanghai Euro Tech Limited | 100% | 100% | The PRC | Manufacturing of analytical and testing equipment
Shanghai Euro Tech Environmental Engineering Company Limited | 100% | 100% | The PRC | Undertaking water and waste-water treatment engineering projects
Chongqing Euro Tech Rizhi Technology Co., Ltd | 100% | 100% | The PRC | Marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems
Rizhi Euro Tech Instrument (Shaanxi) Co., Ltd | 100% | 100% | The PRC | Marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems
Name | Percentage of equity ownership | Place of incorporation | Principal activities
| 2017 | 2016 |  |
Guangzhou Euro Tech Environmental Equipment Co., Ltd | 100% | 100% | The PRC | Marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems
Yixing Pact Environmental Technology Co., Ltd | 58% | 58% | The PRC | Design, manufacturing and operation of water and waste water treatment machinery and equipment
Pact Asia Pacific Limited | 58% | 58% | The British Virgin Islands | Selling of environmental protection equipment, undertaking environment protection projects and providing relevant technology advice, training and services
Affiliates: |  |  |  |
Zhejiang Jiahuan Environmental Protection Technology Co. Ltd. (“Blue Sky”) | 19.4% * | 19.7% * | The PRC | Design, general contract, equipment manufacturing, installation, testing and operation management of the treatment of waste gases emitted
Zhejiang Jia Huan Electronic Co. Ltd. | 20% | 20% | The PRC | Design and manufacturing of automatic control systems and electric voltage control equipment for electrostatic precipitators (air purification equipment)
* The Group interest in Blue Sky has been counted for as an affiliate using the equity method as the Group has representation on both the Board and Executive Committee of Blue Sky, and the ability to participate in the decision-making process.
ZHEJIANG TIANLAN |
Schedule of significant subsidiaries |
Name |  | Percentage of equity ownership |  | Place of incorporation |  | Principal activities
|  | 2017 | 2016 |  |  |  |
Zhejiang Tianlan Environmental Engineering and Design Company Limited |  | 100% | 100% |  | PRC |  | Provision of maintenance services of environmental protection equipment
Hangzhou Tianlan Environmental Protection Equipments Company Limited |  | 51% | 51% |  | PRC |  | Manufacturing and installation services of environmental protection equipment
Shihezi Tianlan Environmental Protection Technology Company Limited |  | 100% | 100% |  | PRC |  | Provision of maintenance services of environmental protection equipment
Hangzhou Tianlian Environmental Testing Technology Company Limited * |  | 80% | 80% |  | PRC |  | Provision of testing services of environmental protection equipment
* The company was incorporated on October 28, 2015. On April 17, 2016, the board of director approved the sales of 1,000,000 ordinary shares to third parties, for aggregate proceeds of RMB 1,000,000 to the third parties.
ZHEJIANG JIAHUAN |
Schedule of significant subsidiaries |
Name |  | Percentage of equity ownership |  | Place of incorporation |  | Principal activities
|  | 2017 | 2016 |  |  |  |
Zhejiang Jiahuan Engineering Technology Co., Ltd (Formerly known as Zhejiang Jiahuan Xinyu Environmental Production Co., Ltd) |  | 100% | 100% |  | PRC |  | Manufacturing and installation services of environmental production equipment

X
- References No definition available. + Details
Name: | CLWT_ScheduleOfSignificantSubsidiaries
Namespace Prefix: | CLWT_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_SubsidiaryIssuerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=CLWT_Subsidiary2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |