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China Water Affairs Group

A Hong Kong-listed water utility group focused on urban water supply, wastewater treatment and related services in Mainland China.

Last updated August 31, 2026

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Overview

China Water Affairs Group Limited is a Hong Kong-listed water services company whose principal activities are the investment, construction and operation of urban water supply and wastewater treatment systems in Mainland China. The group also provides related value-added services connected with water infrastructure and urban environmental management. Its operating model combines infrastructure investment with long-term operation of municipal water assets, placing it within the integrated water-utility segment rather than the consumer bottled-water market. The company was established in 1993 under the name Cedar Base Electronic (Group) Limited. Its original business was electronics, and the company subsequently became a listed entity on the main board of the Hong Kong Stock Exchange in 1998. In 2003, the listed company was sold to Duan Chuan-liang, who had worked in China's Ministry of Water Resources. After the transaction, it was renamed China Silver Dragon Group Limited. The group completed a business restructuring in 2005 and adopted the name China Water Affairs Group Limited, reflecting its strategic shift into water-related infrastructure and services. The group's core activities include municipal water supply, sewage collection and treatment, drainage-network operation, and associated water-environment services. Projects have been developed or operated across numerous cities and counties in Mainland China, including locations in the municipalities of Beijing, Tianjin and Chongqing and in provinces such as Guangdong, Guangxi, Jiangxi, Henan, Hebei, Jiangsu, Hunan, Hubei, Shaanxi, Shanxi, Shandong, Hainan and Heilongjiang. The geographic footprint illustrates a decentralized, project-based operating structure in which local water concessions and municipal infrastructure assets form the foundation of the business. Reference material reported that by November 2017 the group had comprehensive daily water and wastewater capacity exceeding 13 million cubic metres, operated or managed a drainage network longer than 4,000 kilometres, and served approximately 20 million people. These figures describe the scale reported for that period and should not be treated as current operating statistics without a more recent company disclosure. China Water Affairs has been described as one of the larger integrated water-service operators in Mainland China. Its positioning is centered on essential public-utility infrastructure, long-duration municipal relationships and operational management of water systems. The company is also notable in the Hong Kong market because it was identified as the earliest water company listed in Hong Kong and as the only Hong Kong-listed company focused principally on water supply in the cited reference material. Current financial performance, present-day capacity, ownership structure and executive leadership are not specified in the supplied source material.

History

China Water Affairs Group traces its corporate origins to 1993, when it was established as Cedar Base Electronic (Group) Limited. The business at that stage was an electronics company rather than a water utility. It later entered Hong Kong's public equity market, listing on the main board of the Hong Kong Stock Exchange in 1998. A major change occurred in 2003, when the listed company was sold to Duan Chuan-liang, a figure with professional experience in China's Ministry of Water Resources. Following the ownership change, the company adopted the name China Silver Dragon Group Limited. The transaction marked the beginning of the company's transition away from its earlier electronics identity and toward water-related infrastructure and services. The company completed a business restructuring in 2005 and formally changed its name to China Water Affairs Group Limited. The new name reflected the group's focus on urban water supply, sewage treatment and associated municipal services. Rather than operating as a consumer-facing water brand, the company developed an infrastructure-oriented model based on investment in, construction of and operation of water projects in Mainland Chinese cities and counties. Over time, the group expanded its project coverage across a broad range of regions. The cited reference identifies operations in the municipalities of Beijing, Tianjin and Chongqing and in 13 provinces: Guangdong, Guangxi, Jiangxi, Henan, Hebei, Jiangsu, Hunan, Hubei, Shaanxi, Shanxi, Shandong, Hainan and Heilongjiang. Its activities include water-supply systems, wastewater treatment and drainage infrastructure, with related value-added services supporting the broader water-environment business. By November 2017, the group was reported to have comprehensive daily capacity of more than 13 million cubic metres, a drainage network exceeding 4,000 kilometres and approximately 20 million people served. The reported scale positioned the company among the larger integrated water-service operators in Mainland China. The company was also characterized in the reference material as the earliest water company listed in Hong Kong and the only Hong Kong-listed company focused on water supply. No supplied source establishes a later corporate reorganization, current operating capacity, current leadership roster or present ownership details, so those matters remain unconfirmed in this dossier.

  • 2017

    Reported expansion of operating scale

    [1]

    As reported in November 2017, the group had daily comprehensive capacity above 13 million cubic metres, a drainage network longer than 4,000 kilometres and approximately 20 million people served.

  • 2005

    Water-sector restructuring and name change

    [1]

    Following business restructuring, the company officially adopted the name China Water Affairs Group Limited and focused on water-related infrastructure and services.

  • 2003

    Ownership transition and renaming

    [1]

    The listed company was sold to Duan Chuan-liang and renamed China Silver Dragon Group Limited.

  • 1998

    Main-board listing in Hong Kong

    [1]

    The company listed on the main board of the Hong Kong Stock Exchange.

  • 1993

    Corporate establishment as Cedar Base Electronic

    [1]

    The company was established as Cedar Base Electronic (Group) Limited and initially operated in the electronics sector.

Products and positioning

Integrated municipal water infrastructure and utility-services operator

  • Municipal utility service

    Urban water supply

    The group invests in, constructs and operates municipal water-supply systems serving cities and counties in Mainland China. This line forms the central identity of the company and includes the operation of public water infrastructure rather than the sale of packaged drinking water. The business is delivered through project and utility arrangements associated with local urban water demand.

  • Environmental utility service

    Wastewater treatment

    Wastewater treatment is a core component of the group's integrated water-services model. The company develops and operates sewage-treatment infrastructure connected with municipal drainage systems. Together with water supply, this activity allows the group to participate across multiple stages of the urban water cycle, from public supply through collection and treatment.

  • Water infrastructure

    Drainage networks

    The group operates or manages urban drainage infrastructure supporting sewage collection and wastewater services. The cited 2017 reference reported a drainage network exceeding 4,000 kilometres. The network business is infrastructure-led and closely linked to the group's municipal water and wastewater projects.

  • Environmental services

    Water-environment and value-added services

    Beyond basic water supply and sewage treatment, the group provides related value-added services associated with municipal water infrastructure and water-environment management. The supplied material does not provide a detailed list of individual service products, so this category is retained at the broader group level.

Brand decisions

  • 2005

    Formal adoption of the China Water Affairs identityStrategy

    Background

    The company completed a business restructuring after its earlier ownership transition and change of business direction.

    Action taken

    It officially changed its name to China Water Affairs Group Limited, aligning its corporate identity with urban water supply, sewage treatment and related services.

    Aftermath

    The company continued developing as an integrated Mainland Chinese water-services operator.

  • 2003

    Transition from electronics to water infrastructureStrategy

    Background

    The company had originated as an electronics business. After its sale to Duan Chuan-liang, who had worked in China's Ministry of Water Resources, it began a strategic transition toward water-related activities.

    Action taken

    The company changed its name to China Silver Dragon Group Limited and repositioned the listed platform toward the water sector.

    Aftermath

    The transition culminated in a further restructuring and the adoption of the China Water Affairs Group name in 2005.

Sources1 sources

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