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Yonker Environmental Protection Co.,Ltd. — Investor Relations & Filings

Ticker · 300187 Shenzhen Stock Exchange Water supply; sewerage, waste management and remediation activities
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Filings indexed 1,980 across all filing types
Latest filing 2026-04-21 Audit Report / Informat…
Country CN China
Listing Shenzhen Stock Exchange 300187

About Yonker Environmental Protection Co.,Ltd.

https://www.yonker.com.cn

Yonker Environmental Protection Co.,Ltd. provides comprehensive environmental management solutions focusing on soil remediation, waste-to-energy, and pollution control. The company specializes in heavy metal soil treatment, municipal solid waste management, and air pollution mitigation, including desulfurization and denitrification. Its service portfolio extends to industrial and municipal wastewater treatment, environmental consulting, and ecological restoration. Yonker manages the entire project lifecycle, encompassing research and development, engineering design, equipment manufacturing, and facility operation. By integrating advanced technologies with operational expertise, the company delivers turnkey solutions for complex environmental challenges to municipal and industrial clients.

Recent filings

Filing Released Lang Actions
永清环保股份有限公司内部控制审计报告
Audit Report / Information Classification · 1% confidence The document is a standalone audit report titled “内部控制审计报告” issued by Zhongshenzhonghuan Certified Public Accountants LLP for Yongqing Environmental Co., Ltd., covering the effectiveness of internal controls as at December 31, 2025, along with an internal control self-evaluation report. It is not an annual report, earnings release, or notice, but a detailed internal control audit document. Therefore, it falls under the Audit Report / Information category.
2026-04-21 Chinese
市值管理制度
Governance Information Classification · 1% confidence The document is a detailed internal policy (“市值管理制度”) outlining governance structures, principles, responsibilities, and procedures for managing company market value. It is not an external announcement, financial report, or presentation but rather a governance manual setting out company rules and processes. This matches the definition of a Governance Information filing (CGR).
2026-04-21 Chinese
关于对2026年度日常关联交易进行预计的公告
Regulatory Filings Classification · 0% confidence The document is an announcement by 永清环保股份有限公司 regarding the forecast of 2026 daily related-party transactions (关联交易预计公告). It details board resolutions, related parties, transaction categories, pricing principles, amounts, and independent director opinions. This is neither an annual/interim report, earnings release, capital update, nor any other predefined category. It does not attach a full report but discloses a specific corporate action – forecasting connected transactions – which falls into the miscellaneous regulatory announcement category. Therefore, it is best classified as a Regulatory Filing (RNS).
2026-04-21 Chinese
关于召开2025年度股东会的通知
Proxy Solicitation & Information Statement Classification · 1% confidence The document is a formal notice to shareholders regarding the convening of the company’s 2025 Annual General Meeting, including date/time, agenda proposals, voting methods and proxy forms. It is sent in advance to solicit votes and provide necessary information to shareholders. This matches the definition of a Proxy Solicitation & Information Statement (PSI).
2026-04-21 Chinese
董事会审计委员会关于2025年度会计师事务所履职情况评估及履行监督职责情况的报告
Audit Report / Information Classification · 1% confidence The document is a detailed report issued by the company’s board audit committee evaluating the appointed accounting firm’s qualifications, independence, audit procedures, and supervisory activities for the 2025 annual audit. It is not the company’s full annual report (10-K), an earnings release, or a brief announcement. Rather, it is a standalone, audit‐related committee report on the firm’s performance and oversight, fitting under Audit Report / Information. Hence it classifies as AR.
2026-04-21 Chinese
关于2025年度独立董事独立性自查情况的专项报告
Governance Information Classification · 1% confidence The document is a formal "专项报告" (special report) issued by the company’s board regarding the 2025 independence self-check of its independent directors, detailing compliance with governance rules and regulations. It is not an announcement of a report publication, nor a change in board composition, nor a financial report. This falls under corporate governance disclosures about board structure and practices. Therefore, it best fits Governance Information (CGR).
2026-04-21 Chinese

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