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YANGTZE OPTICAL ELECTRONIC CO., LTD. — Investor Relations & Filings

Ticker · 688143 ISIN · CNE100005VV6 LEI · 836800GD4SM8LNE16987 Shanghai Stock Exchange Manufacturing
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Filings indexed 610 across all filing types
Latest filing 2025-11-20 Board/Management Inform…
Country CN China
Listing Shanghai Stock Exchange 688143

About YANGTZE OPTICAL ELECTRONIC CO., LTD.

https://en.yoec.com.cn/

YANGTZE OPTICAL ELECTRONIC CO., LTD. (YOEC) specializes in the research, development, and manufacturing of specialty optical fibers and high-precision optical components. The company's core product portfolio includes polarization-maintaining fibers, fiber optic gyroscope (FOG) coils, and specialty optical cables. YOEC provides vertically integrated solutions, encompassing the entire production cycle from fiber preforms and drawing to the winding of precision coils. Its products are primarily utilized in high-end sensing, aerospace, defense, and telecommunications applications. The company also develops specialized equipment for fiber processing and testing, ensuring high performance and reliability in demanding environments. By focusing on advanced optical technologies, YOEC supports the development of inertial navigation systems and sophisticated fiber-optic sensing networks.

Recent filings

Filing Released Lang Actions
关于选举第二届董事会职工代表董事的公告
Board/Management Information Classification · 95% confidence The document is an announcement regarding the election of a staff representative director to the company's board. It details the election process, the individual's qualifications, and compliance with legal requirements. There is no financial data, no mention of financial results, no regulatory filings or certifications, and no reference to annual or interim reports. The content focuses on board composition and management changes, specifically the election of a board member. Therefore, the document fits the category of Board/Management Information (MANG). The document length is short and it is not an announcement of a report publication, so it is not RPA. Confidence is high due to clear content about board member election.
2025-11-20 Chinese
2025年第二次临时股东大会会议资料
AGM Information Classification · 95% confidence The document is titled as "2025年第二次临时股东大会会议资料" which translates to "2025 Second Extraordinary General Meeting (EGM) Meeting Materials". It contains detailed meeting agenda, voting procedures, proposals to be discussed and voted on, and other materials related to the shareholders' meeting. The content includes multiple proposals for shareholder approval, such as use of funds, changes in registered capital, governance rules, and board member election. The document is clearly the meeting materials provided to shareholders for the EGM, not the announcement of the meeting or the voting results. This matches the definition of AGM Information (AGM-R), which includes presentations and materials shared during the Annual or Extraordinary General Meeting. The document is about an extraordinary shareholders meeting, but the category AGM-R covers both annual and extraordinary general meeting materials. Therefore, the correct classification is AGM-R with high confidence.
2025-11-12 Chinese
武汉长盈通光电技术股份有限公司内部审计制度（2025年10月）
Audit Report / Information Classification · 95% confidence The document is titled '内部审计制度' which translates to 'Internal Audit System' or 'Internal Audit Policy' of Wuhan Changyingtong Optoelectronics Technology Co., Ltd. It details the internal audit framework, responsibilities, procedures, quality control, and fraud prevention measures within the company. The content is a comprehensive internal audit policy document rather than an audit report or financial statement. It does not contain financial data, audit results, or certification letters. It is not an announcement or a brief summary but a detailed internal governance document related to audit practices. This fits best under 'Audit Report / Information (AR)' as it relates to audit principles and internal audit regulations, but is not a full annual report or financial statement. The document is over 6,500 characters, so it is not a mere announcement. Therefore, the classification is AR with high confidence.
2025-10-29 Chinese
第二届监事会第十九次会议决议公告
Board/Management Information Classification · 95% confidence The document is an announcement of resolutions passed at the 19th meeting of the second Supervisory Board of Wuhan Changyingtong Optoelectronics Technology Co., Ltd. It includes the Supervisory Board's review and approval of the company's 2025 third quarter report, use of excess raised funds, and changes to registered capital and governance structure. The document is a formal meeting resolution announcement by the Supervisory Board, not the actual quarterly report or financial statements. It also discusses governance changes and approvals but does not itself contain detailed financial data or the full report. The document length is short (1491 characters) and it serves as a formal announcement of board/management decisions and governance matters. Therefore, the best fitting category is Board/Management Information (MANG).
2025-10-29 Chinese
关于2025年前三季度计提资产减值准备的公告
Regulatory Filings Classification · 95% confidence The document is an announcement from Wuhan Changyingtong Optoelectronics Technology Co., Ltd. regarding the asset impairment provisions for the first three quarters of 2025. It details the amounts of credit impairment losses and asset impairment losses recognized, referencing accounting standards and the impact on the company's financial results. The document is relatively short (1249 characters) and serves as a formal disclosure of impairment provisions rather than a full financial report. It does not contain comprehensive financial statements or detailed analysis typical of an Interim/Quarterly Report (IR). Instead, it is a regulatory announcement about a specific accounting matter affecting the financials. Therefore, it fits best under Regulatory Filings (RNS), which is the fallback category for such disclosures that do not constitute full reports.
2025-10-29 Chinese
关于使用部分超募资金永久补充流动资金的公告
Capital/Financing Update Classification · 95% confidence The document is an official announcement from Wuhan Changyingtong Optoelectronics Technology Co., Ltd. regarding the use of part of the over-raised funds from its initial public offering (IPO) to permanently supplement working capital. It details the amount of over-raised funds, the approval process by the board and supervisory committee, and the need for shareholder approval. The document references regulatory approvals, audit verification of funds, and compliance with relevant securities regulations. It is not a full financial report, earnings release, or management discussion, but rather a formal disclosure about capital usage and compliance with fundraising rules. The document length is under 5,000 characters and is primarily an announcement of a capital usage decision, not a detailed financial report or audit report. Therefore, it fits best under Capital/Financing Update (CAP).
2025-10-29 Chinese

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