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Zhejiang Goldensea Hi-Tech Co., Ltd — Investor Relations & Filings

Ticker · 603311 ISIN · CNE100002235 Shanghai Stock Exchange Manufacturing
Open in API
Filings indexed 996 across all filing types
Latest filing 2026-05-25 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 603311

About Zhejiang Goldensea Hi-Tech Co., Ltd

https://www.goldensea.cn/en/

Zhejiang Goldensea Hi-Tech Co., Ltd. specializes in the research, development, and manufacturing of high-performance air filtration and purification materials. The company produces a wide range of functional filters, including HEPA, activated carbon, and antibacterial media, primarily for residential air conditioning, automotive cabin systems, and specialized air purification equipment. Its core competencies lie in the production of advanced filtration substrates such as melt-blown and needle-punched non-wovens, integrated with proprietary functional coatings for anti-viral and anti-allergen applications. Goldensea Hi-Tech serves as a key global supplier for major HVAC and automotive manufacturers, providing customized filtration solutions that meet rigorous environmental and health standards. The company focuses on technological innovation in air quality management and environmental protection.

Recent filings

Filing Released Lang Actions
金海高科关于控股股东股份解除质押的公告
Regulatory Filings Classification · 88% confidence The document is an official public announcement (公告) detailing the release of share pledges by the controlling shareholder, including quantities, dates, and percentages. It lacks substantive financial statements or report attachments and does not fit into specialized categories like share issuance (SHA), insider trades (DIRS), or capital structure changes by the company itself (POS). It is thus a general regulatory announcement, making it a fallback Regulatory Filing (RNS).
2026-05-25 Chinese
金海高科2025年年度股东会会议资料
AGM Information Classification · 90% confidence The document is a comprehensive packet titled “2025年年度股东会会议资料” for Zhejiang GoldenSea Hi-tech Co., Ltd., containing AGM notices, agenda, resolutions, board work report, remuneration proposals, independent director reports, and other materials for the Annual General Meeting. It is not the annual report itself or a short announcement but the full set of meeting materials provided to shareholders at the AGM. Therefore, it matches the AGM Information category.
2026-05-21 Chinese
金海高科第五届董事会第二十五次会议决议公告
Regulatory Filings Classification · 75% confidence The document is a corporate announcement of the resolutions approved at the 25th meeting of the 5th board of directors, detailing fund usage changes and procedural matters. It does not present an Annual or Interim Report, nor is it an earnings release, proxy, dividend notice, or transaction notice. It is not appointing or removing directors (so not MANG), but is a standard regulatory disclosure of board meeting resolutions. Therefore, the most appropriate category is a general Regulatory Filing (RNS).
2026-05-18 Chinese
华福证券股份有限公司关于浙江金海高科股份有限公司详式权益变动报告书之财务顾问核查意见
Regulatory Filings Classification · 80% confidence The document is titled “财务顾问核查意见” (Financial Advisor’s Verification Opinion) on the “详式权益变动报告书” for Zhejiang Jinhai High-Tech Co., Ltd. It is a professional due-diligence and compliance opinion provided by Huafu Securities on a detailed equity change/acquisition report, not the equity change report itself. It neither contains financial statements as an Interim/Quarterly Report nor is it an Earnings Release, call transcript, annual report, or proxy statement. It is a third-party attestation letter accompanying the share‐transfer report, which does not map to any specific category except the general “Regulatory Filings” fallback. Therefore, it should be classified as an RNS.
2026-05-17 Chinese
金海高科关于筹划控制权变更事项的进展暨复牌公告
M&A Activity Classification · 85% confidence The document is a formal announcement by the listed company regarding the progress of a planned change in controlling shareholder via a share transfer agreement and the resumption of trading after suspension. This constitutes an M&A-type takeover of a controlling stake, rather than a routine earnings release, regulatory certificate, or minor shareholding notification. Therefore, it best fits the M&A Activity category (TAR).
2026-05-15 Chinese
金海高科关于控股股东签署《股份转让协议》暨控制权拟发生变更的提示性公告
Major Shareholding Notification Classification · 82% confidence The document is a formal Shanghai Stock Exchange announcement by Zhejiang Jinhai High-Tech (603311.SH) regarding its controlling shareholder’s signing of a Share Transfer Agreement and the prospective change in control. It details the share transfer quantities, parties, locking arrangements, procedures and conditions for the transaction. This is not a full financial report, not a board/management change, not a dividend or audit disclosure, but a disclosure of a material shareholding change by major shareholders. Under our taxonomy, this fits “Major Shareholding Notification” (Code: MRQ).
2026-05-15 Chinese

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