联合水务

603291.SH

Wind Industry: 公用事业 > 公用事业Ⅱ > 水务Ⅲ > 水务Ⅳ

公司是一家综合性全方位的水务公司，业务包括自来水生产与供应、污水处理与资源化利用、河湖流域水环境治理和水生态修复等业务。公司通过投资、建设和运营等方式从水源头到水龙头，在水务领域形成了完整的产业链。公司目前拥有自来水生产供应、污水处理与资源化利用运营项目的协议和规划处理能力约300万立方米/日。公司供水和污水处理业务主要通过BOT、BOO、TOT、EPC、EPC+O和委托运营等模式开展。深耕水务行业20年，联合水务积累了丰富的行业经验，拥有一支高素质的队伍，在国内、国际水务行业享有良好声誉。公司对项目严格把控、精心管理，获得了项目所在地和政府的高度评价。凭借在水务、水利领域的创新与突破，公司曾入选“沙利文2020中国新基建企业榜单”智慧水利企业。本着“为用户提供优质之水，为保护社会环境提供洁净的水处理服务”的服务理念，公司专注水务业务，充分发挥政府特许经营权、供排水一体化经营、水务领域完整产业链等多种优势，不断提升公司水务产业投资、建设、运营和技术服务等综合竞争能力。公司按照“轻重并举+科技赋能”的核心战略发展方针，在夯实国内市场的基础上，积极响应“一带一路”倡议，开拓南亚、东南亚等国际市场；公司加快推进智慧水务建设，积极稳健实施新项目投资、兼并收购重组等扩张战略，进一步做优做强供水及衍生业务、污水处理与资源化利用业务、水环境和水生态修复业务等主营业务。公司将立足自身和投资者的资源优势，培育新的利润增长源，实现公司持续、健康、快速发展，致力于将公司打造成为综合性、全方位的具有国内和国际影响力的优秀水务企业。

ESG Score Industry Ranking:
6 / 30 (水务Ⅲ)

ESG Rating Distribution(水务Ⅲ)

AAA

23.33%

36.67%

20.00%

BBB

10.00%

6.67%

CCC

Trend of Rating

About Wind ESG Rating

Wind has developed a rigorous rating methodology based on the core connotations of ESG, aligning with international standards and frameworks, and incorporating the characteristics of Chinese companies, to assess the company's essential ESG performance, risk and its ability to operate sustainably.

Focusing on the ESG risks and opportunities of each industry, the companies are rated on a AAA-CCC scale relative to the performance of their industry peers. Wind ESG rating is updated annually or in response to major changes.

The Wind ESG Rating Issuer Communication Platform (esg.wind.com.cn) is now available. Rated companies can access their detailed rating information through this platform, and communicate with or provide feedback to the Wind ESG Rating team regarding specific rating components. For any additional questions, please feel free to send an email to GR.ESG@wind.com.cn.

ESG Score

ESG Score：8.27Updated on 2026-10-29

08.2710

Management & Practices Score：5.33Updated on 2026-09-17

05.337

Controversies Score：2.93Updated on 2026-10-29

02.933

ESG Score Comparison

Indicator	Company Score	Industry Average	Weight
Environmental	7.88	5.79	43.85%
Social	7.04	5.08	30.47%
Governance	7.86	7.04	25.67%

Wind ESG Rating Framework

Building on the foundation of domestic and international ESG policies and standards, our proprietary ESG rating framework considers the development of Chinese capital market and integrates the characteristics of the Chinese companies in various industries. The Wind ESG Rating framework is composed of management & practice and controversies assessment, including:

500+ management & practices indicators, covering E, S and G pillars, reflecting long-term ESG fundamental impacts
1,200+ risk labels, covering news, regulatory penalties and lawsuits, reflecting impact of short-term risks

Management & practice score is the weighted summation of E, S and G pillar scores. The weights reflect both the relative impact of each issue within each industry and the negative or positive contribution of each industry to the environment and society relative to other industries.

Controversies score and ESG score are updated daily, E, S and G pillar scores and management & practice score are updated with underlying data, corresponding data are released on various channels, including Wind Financial Terminal.

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Wind ESG Rating Methodology.pdf1,198KB Wind ESG Ratings FAQs.pdf755KB

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Peer Comparison(30 companies in the industry) ?

Ranking	Code	Security Name	ESG Rating	ESG Score	Controversies Score	Management & Practices Score	Environmental	Social	Governance
1	600168.SH	武汉控股	AA	8.67	3.00	5.67	7.26	8.28	9.34
2	600874.SH	创业环保	AA	8.55	2.98	5.57	8.45	6.63	8.70
3	600008.SH	首创环保	AA	8.48	3.00	5.48	8.49	6.31	8.52
4	0371.HK	北控水务集团	AA	8.39	3.00	5.40	8.18	7.07	7.67
5	0270.HK	粤海投资	AA	8.37	2.96	5.40	8.28	6.54	8.17
6	603291.SH	联合水务	AA	8.27	2.93	5.33	7.88	7.04	7.86
7	601199.SH	江南水务	A	8.06	2.99	5.08	5.97	8.05	8.48
8	300388.SZ	节能国祯	AA	7.98	2.97	5.01	6.56	7.10	8.21
9	2281.HK	兴泸水务	A	7.94	3.00	4.94	8.16	5.81	6.66
10	000605.SZ	渤海股份	A	7.73	3.00	4.73	7.14	5.25	7.92