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Organization and Business Background (Tables) | 12 Months Ended
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Dec. 31, 2022
Schedule of significant subsidiaries |
Company name |  | Place of incorporation and principal place of operation |  | Principal activities and place of operation |  | Effective interest held
|  |  |  |  |  | 2022 |  | 2021
Euro Tech (Far East) Limited |  | Hong Kong |  | Marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems |  | 100% |  | 100%
Euro Tech Trading (Shanghai) Limited |  | The PRC |  | Inactive |  | 100% |  | 100%
Shanghai Euro Tech Limited |  | The PRC |  | Manufacturing of analytical and testing equipment |  | 100% |  | 100%
Shanghai Euro Tech Environmental Engineering Company Limited |  | The PRC |  | Inactive |  | - (note 1) |  | -
Yixing Pact Environmental Technology Co., Ltd. |  | The PRC |  | Design, manufacturing and operation of water and waste water treatment machinery and equipment |  | 58% |  | 58%
Pact Asia Pacific Limited |  | The British Virgin Islands |  | Sale of environmental protection equipment, undertaking environment protection projects and providing relevant technology advice, training and services |  | 58% |  | 58%
Non-consolidating affiliate: |  |  |  |  |  |
Zhejiang Tianlan Environmental Protection Technology Co. Ltd (“Blue Sky”) * |  | The PRC |  | Design, general contract, equipment manufacturing, installation, testing and operation management of the treatment of waste gases emitted |  | 19.4% |  | 19.4%
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 |
|  | 2022 |  |  | 2021 |  |  |  |  |  |
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 |
Hangzhou Zhongyi Ecological and Environmental Consulting Company Limited |  |  | 40.1 | %** |  |  | - |  |  | PRC |  | Consultation services of environmental protection projects |

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