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Aofu Environmental Technology Co., Ltd. — Investor Relations & Filings

Ticker · 688021 ISIN · CNE100003NP0 LEI · 300300CUXHUR45FTQ878 Shanghai Stock Exchange Manufacturing
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Filings indexed 538 across all filing types
Latest filing 2026-05-20 Declaration of Voting R…
Country CN China
Listing Shanghai Stock Exchange 688021

About Aofu Environmental Technology Co., Ltd.

https://www.sdaofu.com/

Aofu Environmental Technology Co., Ltd. specializes in the research, development, and manufacturing of high-performance honeycomb ceramic substrates for exhaust gas purification. The product portfolio features cordierite and silicon carbide (SiC) substrates, including diesel particulate filters (DPF), gasoline particulate filters (GPF), and selective catalytic reduction (SCR) components. These products are engineered to reduce nitrogen oxides and particulate matter emissions from internal combustion engines, facilitating compliance with international environmental standards. The company provides solutions for heavy-duty commercial vehicles, passenger cars, non-road mobile machinery, and industrial kiln emission control. Its core competencies include advanced ceramic material science, precision extrusion manufacturing, and the development of high-porosity, thermally stable structures for efficient catalytic conversion and filtration.

Recent filings

Filing Released Lang Actions
江苏世纪同仁律师事务所关于山东奥福环保科技股份有限公司2025年年度股东会的法律意见书
Declaration of Voting Results & Voting Rights Announcements Classification · 85% confidence The document is a detailed legal opinion letter from a law firm regarding the convening, attendance, voting procedures, and the vote results of the 2025 annual general meeting. It includes the official vote counts and percentages for each proposal. This aligns with the definition of a Declaration of Voting Results & Voting Rights Announcement (DVA).
2026-05-20 Chinese
山东奥福环保科技股份有限公司2025年年度股东会决议公告
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is an official announcement detailing the attendance, voting procedures, and resolution outcomes of the 2025 Annual General Meeting of Shandong Aofu Environmental Protection Technology Co., Ltd. It reports shareholder vote counts and percentages for each agenda item. This matches the definition of Declaration of Voting Results & Voting Rights Announcements.
2026-05-20 Chinese
山东奥福环保科技股份有限公司关于参加2026年山东辖区上市公司投资者网上集体接待日活动的公告
Regulatory Filings Classification · 15% confidence The document is an announcement by Shandong Aofu Environmental Technology Co., Ltd. regarding its participation in an upcoming online investor reception day organized by regulatory bodies. It does not contain financial statements, earnings data, proxy materials, dividend details, or any substantive report content—it simply notifies investors of an event and how to participate. This falls under general regulatory/regulatory announcements that do not fit other specific categories, so it should be classified as a Regulatory Filing (RNS).
2026-05-12 Chinese
山东奥福环保科技股份有限公司2025年年度股东会会议资料
AGM Information Classification · 90% confidence The document is titled “2025年年度股东会会议资料” (2025 Annual Shareholders’ Meeting Materials) for 山东奥福环保科技股份有限公司. It contains meeting guidelines, the AGM agenda, detailed proposals to be voted on by shareholders, independent director reports, and other supporting attachments. It is clearly the set of materials prepared and shared for the company’s Annual General Meeting. Therefore, it is classified as AGM Information (AGM-R).
2026-05-11 Chinese
山东奥福环保科技股份有限公司高级管理人员减持股份计划公告
Regulatory Filings
2026-05-07 Chinese
山东奥福环保科技股份有限公司2025年年度报告
Regulatory Filings
2026-04-29 Chinese

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