Organization and Business Background

12 Months Ended

Dec. 31, 2024

Organization and Business Background

Organization and Business Background

Note 1: Organization and Business Background

Euro Tech Holdings Company Limited (the “Company” or “CLWT”) was incorporated in the British Virgin Islands on September 30, 1996.

Euro Tech (Far East) Limited (“Far East”) is the principal operating subsidiary of the Company. It is principally engaged in the marketing and trading of water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies and related automation systems in Hong Kong and in the People’s Republic of China (the “PRC”).

The Company’s principal subsidiaries at December 31, 2024 and 2023 are set out below.

Description of subsidiaries

Company name		Place of incorporation and principal place of operation		Principal activities and place of operation		Effective interest held
						2024		2023

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%

Yixing Pact Environmental Technology Co., Ltd.		The PRC		Design, manufacturing and operation of water and wastewater treatment and water desalination 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%

PACT Environmental Technology Pte. Ltd. #		Singapore		Marketing and provision of after sales services of ballast water treatment systems and customized industrial wastewater solutions, equipment fabrication		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%

# This company was deregistered on October 8, 2024.

# This company was incorporated on November 7, 2024.

* The Company’s interest in Blue Sky has been counted for as an affiliate using the equity method as the Company has representation on both the Board and Executive Committee of Blue Sky, and the ability to participate in the decision-making process and exercise significant influence.

The Company and its subsidiaries are hereinafter referred to as (the “Group”).

ZHEJIANG TIANLAN

Organization and Business Background

Organization and Business Background

1.	Organization and business

Zhejiang Tianlan Environmental Protection Technology Company Limited (the “Company”) was incorporated in Hangzhou City, Zhejiang Province, the People’s Republic of China (“PRC”) on May 18, 2000. The Company is a limited liability company limited by shares with an operating period up to long term.

The Company provides a comprehensive service for design, general contract, equipment manufacturing, installation, testing and operation management of the treatment of waste gases emitted from various boilers and industrial furnaces of power plants, steel works and chemical plants since 2000.

The Company has listed its shares on the New Third Board in the PRC since November 17, 2015 and suspended trading from August 15, 2017 and resumed trading on February 2, 2018 and suspended trading from November 24, 2020 and resumed trading on January 6, 2021.

The Group’s principal subsidiaries at December 31, 2024 and 2023 are set out below.

Name of entity		Ownership interest held by the Group								Place of incorporation and principal place of operation		Principal activities
		2024				2023

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	%**			40.1	%**		PRC		Consultation services of environmental protection projects
Xuancheng Lanjing Environmental Protection Equipment Co., Ltd			19.51	%			-			PRC		Manufacturing and installation services of environmental protection equipment

* This company was acquired in August 2020.

** This company was acquired in April 2022.