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

Ticker · 300470 ISIN · CNE1000020P6 Shenzhen Stock Exchange Manufacturing
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Filings indexed 1,333 across all filing types
Latest filing 2025-10-29 Board/Management Inform…
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
董事、高级管理人员离职管理制度（2025年10月）
Board/Management Information Classification · 95% confidence The document is titled '董事、高级管理人员离职管理制度' which translates to 'Management System for the Resignation of Directors and Senior Management'. It details the rules, procedures, and obligations related to the resignation, dismissal, and management of directors and senior executives of the company. It includes legal references, internal governance rules, and compliance requirements. There is no financial data, no report of financial results, no voting results, no announcement of a report publication, nor any regulatory filing or certification. The document is a governance-related internal policy document concerning board and management personnel changes and their management. Therefore, it fits best under the category of Board/Management Information (MANG), which covers announcements or information about changes in the company's board or senior management.
2025-10-29 Chinese
董事、高级管理人员薪酬管理制度（2025年10月）
Remuneration Information Classification · 95% confidence The document is titled '董事、高级管理人员薪酬管理制度' which translates to 'Remuneration Management System for Directors and Senior Management'. It details the principles, standards, and procedures for managing the compensation of the company's directors and senior executives. It references relevant laws and regulations and outlines the company's internal remuneration policies. There is no indication that this is a report of compensation paid, but rather a policy document on remuneration management. This fits the definition of a Remuneration Information filing, which details compensation for top executives and directors. The document length is 1462 characters, which is consistent with a policy document rather than a full annual report or other financial report. Therefore, the appropriate classification is DEF 14A (Remuneration Information).
2025-10-29 Chinese
内部问责制度（2025年10月）
Governance Information Classification · 95% confidence The document is titled '内部问责制度' (Internal Accountability System) of 中密控股股份有限公司 and details the internal accountability rules, responsibilities, procedures, and principles for the company's board, senior management, and related personnel. It references relevant laws and regulations but does not contain financial data, financial statements, or any report of financial performance. It is a governance-related internal policy document rather than a report or announcement of financial results or corporate actions. It is not a report publication announcement or a certification. Therefore, it fits best under Governance Information (CGR), which covers reports detailing the company's internal rules, board structure, and governance practices.
2025-10-29 Chinese
关于召开2025年第二次临时股东会的通知
Proxy Solicitation & Information Statement Classification · 100% confidence The document is a detailed notice about convening the 2025 second extraordinary general meeting of shareholders for 中密控股股份有限公司. It includes information about the meeting time, location, agenda items (such as amendments to the Articles of Association and various company rules), voting procedures, registration details, and proxy forms. There is no financial data or results reported, nor is it a transcript or presentation. It is not an announcement of voting results but a notice to shareholders about the meeting and the proposals to be voted on. This fits the definition of Proxy Solicitation & Information Statement (PSI), which are materials sent to shareholders to provide information and request votes for meetings.
2025-10-29 Chinese
第六届监事会第八次会议决议公告
Regulatory Filings Classification · 95% confidence The document is a resolution announcement from the Supervisory Board (监事会) of the company 中密控股股份有限公司 regarding the approval of the company's 2025 third quarter report. It states that the Supervisory Board has reviewed and approved the full text of the 2025 third quarter report, confirming its compliance and accuracy. However, the document itself does not contain the actual financial statements or substantive financial data of the quarterly report; it only announces the approval and refers readers to the full report published elsewhere. The document length is short (724 characters), and it serves as an announcement of the approval of the interim/quarterly report rather than the report itself. According to the MENU VS MEAL RULE, this is a Regulatory Filing (RNS) because it announces the approval and existence of the quarterly report but does not contain the report itself.
2025-10-29 Chinese
公司章程（2025年10月）
Governance Information Classification · 95% confidence The document is a detailed company charter or articles of association for 中密控股股份有限公司 (Sinoseal Holding Co., Ltd.), covering company governance, shareholder rights, board structure, share issuance, shareholder meetings, and related corporate governance matters. It includes sections on shareholder meetings, voting rights, board responsibilities, and internal rules. There is no indication that this is an annual report, financial statement, earnings release, or any other financial or regulatory filing. Instead, it is a governance document outlining the company's internal rules and governance practices. 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, but a substantive governance document.
2025-10-29 Chinese

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