CSD Water Service Co., Ltd. — Investor Relations & Filings
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 |
|---|---|---|---|
| 对外担保管理制度（2025年12月修订） | 2025-12-15 | Chinese | |
| 中持水务股份有限公司第四届董事会第七次会议决议公告 | 2025-12-15 | Chinese | |
| 信息披露管理制度（2025年12月修订） | 2025-12-15 | Chinese | |
| 重大信息内部报告制度（2025年12月修订） | 2025-12-15 | Chinese | |
| 中持水务股份有限公司关于召开2025年第四次临时股东大会的通知 | 2025-12-15 | Chinese | |
| 中持水务股份有限公司第四届监事会第六次会议决议公告 | 2025-12-15 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 38084762 | 对外担保管理制度（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084750 | 中持水务股份有限公司第四届董事会第七次会议决议公告 | 2025-12-15 | Chinese | ||
| 38084739 | 信息披露管理制度（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084719 | 重大信息内部报告制度（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084703 | 中持水务股份有限公司关于召开2025年第四次临时股东大会的通知 | 2025-12-15 | Chinese | ||
| 38084688 | 中持水务股份有限公司第四届监事会第六次会议决议公告 | 2025-12-15 | Chinese | ||
| 38084675 | 关联交易管理制度（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084663 | 内幕信息知情人登记管理制度（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084650 | 董事会议事规则（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084632 | 独立董事工作制度（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084625 | 年报信息披露重大差错追究制度（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084619 | 总经理工作细则（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084598 | 中持水务股份有限公司关于取消监事会、修订《公司章程》及相关治理制度的公告 | 2025-12-15 | Chinese | ||
| 38084582 | 董事会秘书工作细则（2025年12月修订） | 2025-12-15 | Chinese | ||
| 38084581 | 独立董事年度报告工作制度（2025年12月修订） | 2025-12-15 | Chinese | ||
Market data
Market data not available
Price history
Peer group · Sewerage
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Anhui Huaqi Environmental Protection & Technology Co., Ltd.
Develops biological water treatment technologies and sewage…
|
300929 | CN | Water supply; sewerage, waste m… |
|
Aqua-Pure Ventures Inc.
Specializes in recycling and treating hard-to-treat industr…
|
AQPVF | CA | Water supply; sewerage, waste m… |
|
Banka BioLoo Limited
Provides bio-digester sanitation solutions for sustainable …
|
BANKA | IN | Water supply; sewerage, waste m… |
|
Beijing Water Business Doctor Co.,Ltd.
Provides industrial water treatment solutions, ZLD technolo…
|
300055 | CN | Water supply; sewerage, waste m… |
|
CDT Environmental Technology Investment Holdings Ltd
A waste treatment company providing sewage and septic tank …
|
CDTG | US | Water supply; sewerage, waste m… |
|
CECEP Guozhen Environmental Protection Technology Co., Ltd.
Provides integrated solutions for water environment managem…
|
300388 | CN | Water supply; sewerage, waste m… |
|
China Environmental Technology Holdings Limited
Provides technology, equipment, and services for wastewater…
|
646 | HK | Water supply; sewerage, waste m… |
|
China Everbright Water Limited
Integrated water environment management, covering wastewate…
|
1857 | BM | Water supply; sewerage, waste m… |
|
CLEAN TEQ WATER LIMITED
Provides advanced water treatment and resource recovery sol…
|
CNQ | AU | Water supply; sewerage, waste m… |
|
Concord Enviro Systems Limited
Provides industrial wastewater treatment and Zero Liquid Di…
|
CEWATER | IN | Water supply; sewerage, waste m… |
CSD Water Service Co., Ltd. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/57893/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=57893 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=57893 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=57893 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 57893}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for CSD Water Service Co., Ltd. (id: 57893)"
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