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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 2025-10-29 Regulatory Filings
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
武汉长盈通光电技术股份有限公司信息披露暂缓与豁免事务管理制度（2025年10月）
Regulatory Filings Classification · 95% confidence The document is a detailed internal management system for information disclosure delay and exemption for Wuhan Changyingtong Optoelectronics Technology Co., Ltd. It outlines procedures, responsibilities, and confidentiality commitments related to delaying or exempting disclosure of certain information, including commercial secrets and national secrets. It references relevant laws and stock exchange rules but does not contain financial statements, earnings data, or any form of financial report. It is a regulatory or compliance document related to disclosure management rather than a financial report or announcement. The document length is 3850 characters, which is relatively short and more consistent with a regulatory or governance document rather than a full report. Therefore, the best fitting category is Regulatory Filings (RNS), as it is a compliance-related internal policy document that does not fit other specific categories.
2025-10-29 Chinese
武汉长盈通光电技术股份有限公司公司章程（2025年10月）
Governance Information Classification · 100% confidence The document is the Articles of Association (章程) of Wuhan Yangtze Optical Electronic Co., Ltd. It contains detailed provisions about the company's organization, shareholder rights, board structure, share issuance, shareholder meetings, and governance rules. It references Chinese company law, securities law, and regulatory requirements. The content is a governance document that sets out the internal rules and structure of the company rather than a financial report, announcement, or meeting minutes. It is not an Annual Report, Interim Report, Earnings Release, nor a voting result announcement. It is not a proxy statement or remuneration report. It is a governance information document detailing the company's internal rules and governance practices. Therefore, the appropriate classification is Governance Information (CGR). The document length (15,000 characters) and detailed content confirm it is the full governance document, not just an announcement or summary.
2025-10-29 Chinese
武汉长盈通光电技术股份有限公司信息披露管理办法（2025年10月）
Governance Information Classification · 95% confidence The document is titled as an "Information Disclosure Management Measures" for Wuhan Changyingtong Optoelectronics Technology Co., Ltd. It outlines the principles, responsibilities, procedures, and rules for information disclosure by the company, including references to relevant laws, regulations, and stock exchange rules. It does not contain any financial data, financial statements, or specific report content such as annual or quarterly results. Instead, it is a governance document detailing how the company manages and controls its information disclosure obligations. This fits the definition of a Governance Information report, which details the company's internal rules, board structure, and governance practices related to information disclosure.
2025-10-29 Chinese
武汉长盈通光电技术股份有限公司2025年第三季度报告
Interim / Quarterly Report Classification · 100% confidence The document is titled as the "2025 Third Quarter Report" of Wuhan Changyingtong Optoelectronics Technology Co., Ltd. It contains detailed financial data including balance sheets, profit and loss statements, cash flow statements, and explanatory notes for the third quarter of 2025. The report explicitly states it is unaudited and covers the quarterly period (three months). The presence of comprehensive financial statements and analysis for a period shorter than a full fiscal year aligns with the definition of an Interim / Quarterly Report (IR). The document is lengthy (over 13,000 characters) and contains actual financial data, not just an announcement or certification. Therefore, it should be classified as an Interim / Quarterly Report (IR).
2025-10-29 Chinese
武汉长盈通光电技术股份有限公司舆情管理制度（2025年10月）
Governance Information Classification · 95% confidence The document is a detailed internal policy titled '舆情管理制度' (Public Opinion Management System) issued by Wuhan Changyingtong Optoelectronics Technology Co., Ltd. It outlines the company's procedures and responsibilities for managing public opinion and media-related issues, including organizational structure, principles, and responsibilities. There is no indication that this is a financial report, regulatory filing, or announcement related to financial results, governance changes, or shareholder matters. It is a governance-related internal policy document. Therefore, the most appropriate classification is Governance Information (CGR). The document length and content confirm it is not a brief announcement or a report publication notice.
2025-10-29 Chinese
武汉长盈通光电技术股份有限公司独立董事工作细则（2025年10月）
Governance Information Classification · 95% confidence The document is titled '独立董事工作细则' which translates to 'Independent Director Work Rules' for Wuhan Changyingtong Optoelectronics Technology Co., Ltd. It details the governance structure, duties, qualifications, nomination, election, and responsibilities of independent directors. It references relevant laws, regulations, and stock exchange rules, but does not contain financial data, earnings, or audit information. It is a governance-related document outlining internal rules and practices for board members, specifically independent directors. It is not a report of financial results, audit, or meeting minutes, nor an announcement of voting results or capital changes. Therefore, it fits best under Governance Information (CGR). The document length is substantial and contains detailed governance policies, supporting a high confidence classification as CGR.
2025-10-29 Chinese

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