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CSD Water Service Co., Ltd. — Investor Relations & Filings

Ticker · 603903 Shanghai Stock Exchange Water supply; sewerage, waste management and remediation activities
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Filings indexed 1,196 across all filing types
Latest filing 2026-04-28 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 603903

About CSD Water Service Co., Ltd.

CSD Water Service Co., Ltd. specializes in comprehensive environmental services, focusing on the investment, construction, and operation of water and wastewater treatment facilities. The company provides integrated solutions for municipal and industrial wastewater treatment, sludge disposal, and water environment restoration. Its core activities include the management of urban sewage treatment plants, industrial park wastewater treatment systems, and rural water environment improvement projects. CSD Water Service utilizes advanced biological treatment technologies and resource recovery processes to enhance water quality and operational efficiency. The company’s service model encompasses various project delivery methods, such as Build-Operate-Transfer (BOT) and Transfer-Operate-Transfer (TOT), aimed at providing sustainable environmental infrastructure and long-term operational management for regional water ecosystems.

Recent filings

Filing Released Lang Actions
中持水务股份有限公司关于计提资产减值准备及核销资产的公告
Regulatory Filings
2026-04-28 Chinese
中持水务股份有限公司2025年度独立董事年度述职报告（黄霞）
Regulatory Filings Classification · 1% confidence The document is the 2025年度独立董事述职报告 (Independent Director’s Annual Report). It is not an Annual Report (10-K), earnings release or regulatory announcement of results, nor does it announce board changes or financing, dividends, or legal matters. Instead, it is a standalone report by an independent director summarizing governance activities, attendance, committee work, and oversight. It does not fit any specific category such as AGM information, audit report, proxy statement, or M&A. Therefore, it falls into the fallback “Regulatory Filings” category (RNS) for miscellaneous required corporate filings that do not neatly fit other categories.
2026-04-28 Chinese
中持水务股份有限公司2025年度独立董事年度述职报告（周运兰已离任）
Regulatory Filings
2026-04-28 Chinese
中持水务股份有限公司关于确认2025年董事、高级管理人员薪酬和2026年度薪酬方案的公告
Remuneration Information Classification · 1% confidence The document is an announcement by the company’s board detailing the confirmed 2025 remuneration for directors and senior management and the proposed 2026 remuneration scheme, including pay components and policies. This corresponds exactly to the Remuneration Information category, which covers compensation disclosures for top executives and directors (Code: DEF 14A).
2026-04-28 Chinese
中持水务股份有限公司关于为控股子公司提供担保的公告
Capital/Financing Update Classification · 1% confidence The document is a corporate announcement titled “关于为控股子公司提供担保的公告” describing the company’s provision of a 500 万元 guarantee to its subsidiary for bank financing. It details guarantee amounts, risk ratios, internal approvals, and agreement terms—typical of a financing update rather than a full report or other specialized filing. This fits the “Capital/Financing Update” category (CAP).
2026-04-24 Chinese
中持水务股份有限公司2026年第一次临时股东会决议公告
Declaration of Voting Results & Voting Rights Announcements Classification · 1% confidence The document is titled “2026年第一次临时股东会决议公告” and provides detailed voting results for each proposal at the Extraordinary General Meeting, including share counts, percentages, and election outcomes. This matches the Declaration of Voting Results category as it reports official shareholder vote outcomes. There is no indication it is an AGM presentation, management change, or other report type.
2026-04-20 Chinese

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