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

Ticker · 688143 LEI · 836800GD4SM8LNE16987 Shanghai Stock Exchange Manufacturing
Filings indexed 604 across all filing types
Latest filing 2026-04-28 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 688143

About YANGTZE OPTICAL ELECTRONIC CO., LTD.

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
2025年度审计报告
Regulatory Filings
2026-04-28 Chinese
2025年度独立董事述职报告(刘家松)
Regulatory Filings
2026-04-28 Chinese
2025年度募集资金存放与实际使用情况的专项报告
Regulatory Filings
2026-04-28 Chinese
2025年度独立董事述职报告(李居平)
Regulatory Filings
2026-04-28 Chinese
2025年度内部控制评价报告
Regulatory Filings
2026-04-28 Chinese
2025年度会计师事务所的履职情况评估报告及审计委员会履行监督职责情况报告
Regulatory Filings
2026-04-28 Chinese

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