XML 53 R39.htm IDEA: XBRL DOCUMENT
v3.22.1

Organization and business (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Schedule of significant subsidiaries |
Name of entity |  | Ownership interest held by the Group |  |  | Place of incorporation and principal place of operation |  | Principal activities |
|  | 2021 |  |  | 2020 |  |  |  |  |  |
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 Trading (Shanghai) Limited |  |  | 100 | % |  |  | 100 | % |  | The PRC |  | Inactive |
Shanghai Euro Tech Limited |  |  | 100 | % |  |  | 100 | % |  | The PRC |  | Manufacturing of analytical and testing equipment |
Shanghai Euro Tech Environmental Engineering Company Limited |  |  | - |  |  |  | 100 | % |  | The PRC |  | Inactive |
Euro Tech (China) Limited |  |  | - |  |  |  | - |  |  | Hong Kong |  | Inactive |
Name of entity |  | Ownership interest held by the Group |  |  | Place of incorporation and principal place of operation |  | Principal activities |
|  | 2021 |  |  | 2020 |  |  |  |  |  |
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 |
Affiliate: |  |  |  |  |  |  |  |  |  |  |  |  |
Zhejiang Tianlan Environmental Protection Technology Co. Ltd. (“Blue Sky”) |  |  | 19.4 | %* |  |  | 19.4 | %* |  | The PRC |  | Design, general contract, equipment manufacturing, installation, testing and operation management of the treatment of waste gases emitted |
ZHEJIANG TIANLAN |
Schedule of significant subsidiaries |
Name of entity |  | Ownership interest held by the Group |  |  | Place of incorporation and principal place of operation |  | Principal activities |
|  | 2021 |  |  | 2020 |  |  |  |  |  |
Zhejiang Tianlan Environmental Protection Engineering Company Limited |  |  | 100 | %* |  |  | 100 | %* |  | PRC |  | Design, general contract, installation and operating management of environmental protection projects |
Hangzhou Tianlan Environmental Protection Equipment Company Limited |  |  | 51 | % |  |  | 51 | % |  | PRC |  | Manufacturing and installation services of environmental protection equipment |
Hangzhou Tianlan Pure Environmental Protection Technology Company Limited |  |  | 38.25 | % |  |  | 38.25 | % |  | PRC |  | Manufacturing of environmental protection equipment |
Hangzhou Tiancan Environmental Technology Company Limited |  |  | 80 | % |  |  | 80 | % |  | PRC |  | Manufacturing of environmental protection 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: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |