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硅烷科技 — Investor Relations & Filings

Ticker · 920402 Beijing Stock Exchange Manufacturing
Open in API
Filings indexed 449 across all filing types
Latest filing 2025-10-29 Governance Information
Country CN China
Listing Beijing Stock Exchange 920402

About 硅烷科技

https://www.hnsilane.com

Silane Technology focuses on the research, development, and large-scale production of high-purity silane gas and advanced silicon-based materials. Its core product portfolio includes electronic-grade silane gas and high-purity polysilicon, which serve as fundamental precursors in the fabrication of semiconductors, thin-film transistor liquid crystal displays (TFT-LCD), and high-efficiency photovoltaic cells. The company utilizes proprietary purification technologies to achieve ultra-high purity levels required for precision electronic components. Furthermore, its products are increasingly integrated into the supply chain for silicon-carbon anode materials in high-capacity lithium-ion batteries. By maintaining a focus on material science innovation, the company supports the technical requirements of the global microelectronics and clean energy industries.

Recent filings

Filing Released Lang Actions
投资者关系管理制度
Governance Information Classification · 95% confidence The document is titled as an "Investor Relations Management System" issued by the company's board. It details the company's internal policies and procedures for managing investor relations, including communication principles, responsibilities, and operational guidelines. It is a governance-related document focusing on internal rules and management practices rather than financial results, audit opinions, or regulatory announcements. It does not contain financial statements or earnings data, nor is it a report publication announcement. 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
董事会提名委员会制度
Governance Information Classification · 95% confidence The document is a detailed internal governance policy titled '董事会提名委员会制度' (Board Nomination Committee System) issued by the company's board. It outlines the structure, responsibilities, and procedures of the board nomination committee, including legal references and procedural rules. There is no financial data, no mention of financial results, no voting results announcement, no executive changes announcement, and no regulatory certification. The document is a governance-related internal rules report. Therefore, it fits best under Governance Information (CGR). The document length is 3207 characters, which is sufficient for a full policy document rather than a brief announcement or notice.
2025-10-29 Chinese
总经理工作细则
Board/Management Information Classification · 95% confidence The document is titled '河南硅烷科技发展股份有限公司总经理工作细则' which translates to 'General Manager Work Rules of Henan Silane Technology Development Co., Ltd.' It details the internal management system for the company's general manager, including appointment, duties, powers, reporting, and assessment. The document references a board meeting approving the rules and includes detailed governance and management procedures. There is no financial data, earnings information, or shareholder voting results. It is not an announcement of a report but a detailed internal governance document related to management rules. Therefore, it fits best under 'Board/Management Information (MANG)' which covers announcements of changes or details about senior management and board-related matters.
2025-10-29 Chinese
独立董事候选人声明与承诺（楚金桥）
Board/Management Information Classification · 95% confidence The document is a declaration and commitment statement by an independent director candidate (楚金桥) for 河南硅烷科技发展股份有限公司. It details the candidate's qualifications, compliance with relevant laws and regulations, and commitments regarding independence and duties as an independent director. There is no financial data, no report or announcement of financial results, no voting results, no management changes, and no regulatory filings of other types. The document is a formal statement related to board/management information, specifically about a director candidate's declaration and commitment. Therefore, the most appropriate classification is Board/Management Information (MANG). The document length is short and focused on a single candidate's declaration, consistent with management information announcements.
2025-10-29 Chinese
独立董事候选人声明与承诺（董红杰）
Regulatory Filings Classification · 95% confidence The document is a formal declaration and commitment statement by an independent director candidate for a company's board. It details the candidate's qualifications, compliance with regulatory requirements, and independence criteria. There are no financial statements, earnings data, or report attachments. The document is a regulatory announcement related to board member qualifications and compliance, not a financial report or meeting material. It fits best under Regulatory Filings (RNS) as it is a compliance disclosure that does not fit other specific categories.
2025-10-29 Chinese
网络投票实施细则
Governance Information Classification · 95% confidence The document is a detailed set of rules titled '网络投票实施细则' (Network Voting Implementation Rules) issued by the board of directors of 河南硅烷科技发展股份有限公司. It describes procedures and regulations for shareholder online voting, including preparation, voting rules, and vote counting. It references a board meeting where the rules were approved and states that the rules require shareholder meeting approval. The document is not a financial report, earnings release, or announcement of voting results. It is a governance-related document detailing internal procedures for shareholder voting, which fits the category of Governance Information (CGR). The document length is 2518 characters, which is substantive and contains detailed governance content rather than a brief announcement or certification. Therefore, the best classification is Governance Information (CGR).
2025-10-29 Chinese

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