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Aecc Aero Science and Technology Co.,Ltd — Investor Relations & Filings

Ticker · 600391 ISIN · CNE0000019D6 Shanghai Stock Exchange Manufacturing
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Filings indexed 1,529 across all filing types
Latest filing 2026-04-17 Investor Presentation
Country CN China
Listing Shanghai Stock Exchange 600391

About Aecc Aero Science and Technology Co.,Ltd

https://www.aecc.cn/

Aecc Aero Science and Technology Co., Ltd. specializes in the research, development, manufacture, and sale of aero-engine components and gas turbine parts. The company produces a wide range of high-precision products, including engine casings, blades, rings, and shafts, serving both domestic and international aerospace markets. It operates as a key supplier for major global aero-engine manufacturers, providing specialized machining and fabrication services for critical engine modules. In addition to aerospace components, the company leverages its technical expertise to develop and maintain industrial gas turbines and related equipment. Its core capabilities focus on advanced manufacturing processes, material science applications, and quality control standards required for high-performance propulsion systems. The company plays a significant role in the global aerospace supply chain by delivering complex sub-assemblies and precision-engineered parts.

Recent filings

Filing Released Lang Actions
关于参加中国航空发动机集团有限公司所属上市公司2025年度集体业绩说明会的公告
Investor Presentation Classification · 70% confidence The document is an announcement of a collective performance explanation meeting (“业绩说明会”) for the 2025 annual results, providing details on timing, location, participation methods, and Q&A arrangements with investors. It is not the full annual report itself (10-K) nor a report publication announcement (RPA), but rather an investor-focused presentation/event notice. This aligns with the “Investor Presentation” category (IP).
2026-04-17 Chinese
中国航发航空科技股份有限公司2025年度资产减值准备公告
Regulatory Filings Classification · 95% confidence The document is titled '2025 年度资产减值准备公告' which translates to '2025 Annual Asset Impairment Provision Announcement'. It details the company's asset impairment provisions for the year ending 2025, including bad debt provisions, inventory write-downs, investment property impairment, fixed asset impairment, and construction in progress impairment. The document references compliance with accounting standards and regulatory notices from the China Securities Regulatory Commission. It includes detailed financial data on impairment provisions and their changes during the year. The document is an announcement of the asset impairment provisions for the fiscal year 2025, not a full annual report or audit report. It is a regulatory disclosure about asset impairment provisions, which is a specific financial update but not a full financial statement report. Given the detailed financial data and the nature of the disclosure, it fits best under Regulatory Filings (RNS) as it is a regulatory announcement about asset impairment provisions rather than a full audit report or annual report. The document length is 4033 characters, which is substantial but not a full annual report. Therefore, the classification is Regulatory Filings (RNS) with high confidence.
2026-03-29 Chinese
审计委员会2025年度履职情况报告
Audit Report / Information Classification · 95% confidence The document is titled '审计委员会2025 年度履职情况报告' which translates to 'Audit Committee 2025 Annual Performance Report'. It details the activities and work of the Audit Committee for the year 2025, including meetings held, audit work summary, internal audit guidance, review of financial reports, internal control evaluation, and related party transaction review. It references the audit of the 2024 annual financial report by an accounting firm and the committee's opinions on it. The document is a detailed report on audit committee activities and audit results, not the full annual report itself. It is not a brief announcement or a certification letter but a substantive report on audit-related matters. This fits the definition of an Audit Report / Information (AR) filing, which includes standalone audit reports and applied accounting principles, excluding full annual reports. The document length (2762 characters) is consistent with a detailed committee report rather than a full annual report. Therefore, the correct classification is AR with high confidence.
2026-03-29 Chinese
独立董事2025年度述职报告-毛中根
Board/Management Information Classification · 95% confidence The document is titled as an "Independent Director 2025 Annual Work Report" and details the independent director's activities, attendance at board and shareholder meetings, review of related party transactions, nomination and remuneration of senior management, appointment of the accounting firm for audit, dividend distribution, internal control system updates, and communication with minority shareholders. It is a detailed report on the independent director's duties and observations for the year 2025. This type of document is a management or board-related report focusing on governance and oversight activities by an independent director rather than a full annual report or audit report. It is not a certification or a brief announcement but a substantive report on board/management information and governance oversight. Therefore, the most appropriate classification is Board/Management Information (MANG). The document length (4783 characters) supports it being a full report rather than a brief announcement or certification.
2026-03-29 Chinese
中国航发航空科技股份有限公司股票交易异常波动公告
Regulatory Filings Classification · 95% confidence The document is a formal announcement by the board of China Aviation Development Aerospace Technology Co., Ltd. regarding abnormal stock price fluctuations. It details the stock price increase, risk warnings, company operational status, and confirms no undisclosed material information or major corporate actions affecting the stock price. The document is short (1537 characters) and focuses on stock trading abnormality and risk disclosure rather than financial results or detailed reports. It does not contain financial statements or detailed financial analysis. This type of document is a regulatory announcement about stock price abnormality and risk, fitting the category of Regulatory Filings (RNS).
2026-01-20 Chinese
航发科技2025年第三次临时股东会法律意见书
Regulatory Filings Classification · 95% confidence The document is a legal opinion letter issued by a law firm regarding the convening, procedures, attendance, and voting results of the company's 2025 third extraordinary general meeting of shareholders. It details the meeting notice, voting procedures, attendance, and confirms the legality and validity of the meeting and resolutions passed. This is not the meeting materials or presentation itself, nor is it a voting result announcement in a simple form. It is a legal opinion on the meeting's conduct and results, which is typically filed as a Regulatory Filing (RNS) because it does not fit the categories of AGM Information (which would be presentations/materials), Declaration of Voting Results (which would be a straightforward voting result announcement), or other categories. The document length is about 4927 characters, which is substantial but the content is a legal opinion letter, not the meeting report or voting results announcement alone. Therefore, the best classification is Regulatory Filings (RNS).
2025-12-25 Chinese

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