Skip to main content
Anhui Estone Materials Technology Co., Ltd. logo

Anhui Estone Materials Technology Co., Ltd. - Investor Relations & Filings

Listed IPO Aug 2021
Ticker · 688733 ISIN · CNE1000050M0 Shanghai Stock Exchange Manufacturing
Open in API
Filings indexed 640 across all filing types
Latest filing 2026-04-16 Audit Report / Informat…
Country CN China
Listing Shanghai Stock Exchange 688733 · 1 venue

About Anhui Estone Materials Technology Co., Ltd.

http://www.estonegroup.com

Anhui Estone Materials Technology Co., Ltd. specializes in the research, development, and manufacturing of advanced inorganic non-metallic materials. The company is a prominent supplier of high-purity boehmite and alumina, primarily utilized as coating materials for lithium-ion battery separators to enhance thermal stability and safety. Its product portfolio also includes thermal conductive fillers, flame retardants, and electronic packaging materials. Estone serves critical sectors such as new energy vehicles, consumer electronics, and energy storage systems. By leveraging proprietary technologies in particle size control and surface treatment, the company provides high-performance solutions for thermal management and electrical insulation. Its focus on material science innovation supports the evolving requirements of the global battery and electronics industries.

Recent filings

Filing Released Lang Actions
壹石通2025年度会计师事务所履职情况评估报告
Audit Report / Information Classification · 95% confidence The document is titled as an evaluation report on the performance of the accounting firm (auditor) for the fiscal year 2025. It details the auditor's qualifications, audit team, audit procedures, quality control, and overall assessment of the auditor's work for the company's 2025 annual audit. It does not contain the actual audited financial statements or the full audit report itself, but rather an assessment of the auditor's performance and quality management. The document length is 3604 characters, which is relatively short and focused on the auditor's evaluation rather than the full annual report or audit report. This type of document is a standalone audit-related report evaluating the auditor's performance, fitting the category of Audit Report / Information (AR) rather than the full Annual Report (10-K) or a report publication announcement (RPA). FY 2025
2026-04-16 Chinese
壹石通关于会计政策变更的公告
Audit Report / Information Classification · 95% confidence The document is an announcement from 安徽壹石通材料科技股份有限公司 regarding a change in accounting policies based on a new interpretation issued by the Ministry of Finance of China. It details the reasons for the change, the previous and new accounting policies, and the effective date of the change. The document explicitly states that the change does not require board or shareholder approval and will not materially affect financial results. The document is short (1142 characters) and serves as a formal announcement of the accounting policy change rather than a full audit report or financial statement. It does not contain detailed financial data or audit opinions. Therefore, it fits best under Audit Report / Information (AR), which includes standalone audit reports and applied accounting principles, especially since it focuses on accounting policy changes and their impact. Q1 2026
2026-04-16 Chinese
壹石通关于变更对外投资项目的公告
Capital/Financing Update Classification · 95% confidence The document is an announcement from 安徽壹石通材料科技股份有限公司 regarding a change in an external investment project. It details the original project, the changes made to the project scope and investment amount, reasons for the change, impact on the company, and the approval process. The document is not a full financial report, earnings release, or management discussion but rather a corporate announcement about a capital investment project change. It does not contain financial statements or detailed financial analysis. The document length is about 2550 characters, which is relatively short and consistent with an announcement rather than a full report. Therefore, the document fits best under the category of Capital/Financing Update (CAP), which covers updates on company fundraising, financing activities, or capital structure changes, including changes to investment projects.
2026-04-16 Chinese
壹石通2025年度独立董事述职报告（储育明）
Board/Management Information Classification · 95% confidence The document is titled as an "Independent Director's Work Report" for the year 2025 by an independent director of Anhui Yishitong Materials Technology Co., Ltd. It details the director's duties, attendance at board meetings, committee participation, communication with auditors, oversight of company governance, and other supervisory activities during the year. It does not contain financial statements or financial performance data, nor is it an announcement of voting results or a proxy solicitation. It is a detailed report on the independent director's management and supervisory activities, which fits the category of Board/Management Information (MANG). The document length is about 5,452 characters, which is sufficient for a substantive report rather than a brief announcement. Therefore, the best classification is MANG with high confidence.
2026-04-16 Chinese
壹石通2025年度独立董事述职报告（陈矜）
Board/Management Information Classification · 95% confidence The document is titled as an "Independent Director's Annual Report" for the year 2025 by an independent director of Anhui Yishitong Material Technology Co., Ltd. It details the director's qualifications, attendance at board and shareholder meetings, committee participation, communication with auditors, oversight activities, and evaluations of company governance and compliance during the 2025 fiscal year. The content focuses on the independent director's duties, observations, and opinions on company operations and governance rather than presenting financial statements or audit results. This type of document is a detailed management or director report on governance and oversight activities, not a full annual report, audit report, or earnings release. It fits best under the category of Board/Management Information (MANG), which includes announcements or reports related to board members' activities and governance roles. The document length (5606 characters) and detailed content support this classification rather than a brief announcement or a full financial report.
2026-04-16 Chinese
壹石通第四届董事会第十八次会议决议公告
Board/Management Information Classification · 95% confidence The document is a detailed announcement of resolutions passed at the 18th meeting of the 4th Board of Directors of Anhui Yishitong Materials Technology Co., Ltd. It includes approvals of the 2025 Annual Report, the 2025 Annual Board Work Report, the 2025 Annual General Manager Work Report, and other related reports and proposals. The document repeatedly states that the full reports are disclosed separately on the Shanghai Stock Exchange website and that these resolutions will be submitted to the shareholders' meeting for approval. The document itself does not contain the full annual report or detailed financial statements but is a formal board meeting resolution announcement regarding the annual report and related matters. This fits the category of Board/Management Information (MANG), as it announces board decisions and management reports rather than the reports themselves. The document length (9396 characters) is substantial but it is not the full annual report. Therefore, the correct classification is MANG with high confidence.
2026-04-16 Chinese

Browse filings by year

6 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.