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Sinoseal Holding Co.,Ltd. — Investor Relations & Filings

Ticker · 300470 Shenzhen Stock Exchange Manufacturing
Open in API
Filings indexed 1,330 across all filing types
Latest filing 2026-04-14 Annual Report
Country CN China
Listing Shenzhen Stock Exchange 300470

About Sinoseal Holding Co.,Ltd.

https://www.sns-china.com

Sinoseal Holding Co., Ltd. specializes in the research, development, and manufacturing of advanced mechanical seals and sealing systems. Its product portfolio includes dry gas seals, liquid-lubricated mechanical seals, seal support systems, high-speed couplings, and rotary joints. These components are designed for critical rotating equipment, including centrifugal compressors, pumps, and mixers. The company provides technical solutions for demanding applications in sectors such as oil and gas, petrochemicals, power generation, and chemical processing. Sinoseal emphasizes engineering excellence and customized sealing solutions to ensure operational reliability and safety in high-pressure and high-speed environments.

Recent filings

Filing Released Lang Actions
2025年度财务决算报告
Annual Report Classification · 1% confidence The document is titled '2025年度财务决算报告' (2025 Annual Financial Final Accounts Report) for '中密控股股份有限公司' (Zhongmi Holding Co., Ltd.). It contains detailed comparative financial statements (Balance Sheet, Income Statement, Cash Flow Statement) for the years 2025 and 2024, along with comprehensive management analysis of the financial performance, asset changes, and key financial ratios. Although it is presented as a board announcement, it constitutes a full annual financial report for the fiscal year, fitting the definition of an Annual Report (10-K) in the context of providing full yearly financial performance. FY 2025
2026-04-14 Chinese
董事会审计委员会工作制度（2026年4月）
Governance Information Classification · 1% confidence The document is the “中密控股股份有限公司董事会审计委员会工作制度,” detailing the composition, duties, meeting procedures, and governance framework for the board’s audit committee. It is not a financial report or an announcement of a specific event, but rather an internal governance charter describing rules and procedures, fitting the definition of Governance Information. Therefore, the appropriate classification is CGR.
2026-04-14 Chinese
董事会提名委员会工作制度（2026年4月）
Governance Information Classification · 1% confidence The document is the ‘董事会提名委员会工作制度’ (Nomination Committee Working Procedures) outlining the composition, responsibilities, meeting rules, and decision processes of the Board’s Nomination Committee. It is an internal governance charter detailing board structure and procedures, not an announcement or financial report. This clearly falls under Governance Information (CGR).
2026-04-14 Chinese
未来三年股东分红回报规划（2026-2028年）
Governance Information Classification · 1% confidence The document is a formal three-year dividend distribution plan drafted by the company’s board, outlining principles, decision mechanisms, and governance rules for profit distribution rather than reporting actual financial results or announcing specific dividend amounts. It establishes an internal policy under company law and stock exchange guidelines, which falls under corporate governance documentation. Therefore, it should be classified as Governance Information (CGR).
2026-04-14 Chinese
董事会薪酬与考核委员会关于调整2024年限制性股票激励计划限制性股票回购价格暨回购注销部分限制性股票事项的核查意见
Transaction in Own Shares Classification · 1% confidence The document is an announcement by the company’s Remuneration & Appraisal Committee about adjusting the repurchase price and repurchasing/cancelling part of its restricted stock incentive plan shares. This describes a share buyback (transaction in own shares) under an equity incentive plan, which falls under “Transaction in Own Shares (Code: POS).”
2026-04-14 Chinese
2025年度董事会审计委员会对会计师事务所履行监督职责情况的报告
Audit Report / Information Classification · 1% confidence The document is a detailed report by the company’s Board Audit Committee on its supervisory oversight of the external auditor’s engagement for the 2025 fiscal year. It outlines review of auditor qualifications, meeting resolutions, audit scope and process, and the committee’s fulfilled duties. This matches the “Audit Report / Information (Code: AR)” category, which covers standalone audit-related reports and oversight information distinct from a full annual report.
2026-04-14 Chinese

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