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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
年报信息披露重大差错责任追究制度
Governance Information Classification · 95% confidence The document is a detailed internal policy titled '年度报告重大差错责任追究制度' (Annual Report Major Error Responsibility Pursuit System) issued by the board of 河南硅烷科技发展股份有限公司. It outlines procedures and responsibilities related to major errors in annual report disclosures, including definitions, accountability, and penalties. It is not the annual report itself, nor an announcement of voting results or a certification. It is a governance-related document focusing on internal rules and procedures regarding annual report disclosures and accountability. Therefore, it fits best under Governance Information (CGR). The document length is 4296 characters, which is substantial and contains detailed policy content, not a brief announcement or certification.
2025-10-29 Chinese
董事会审计委员会制度
Governance Information Classification · 95% confidence The document is titled as the "Board of Directors Audit Committee System" of Henan Silane Technology Development Co., Ltd. It details the structure, responsibilities, and procedures of the company's audit committee, including governance, internal control, audit supervision, and related internal policies. It is a governance-related document focusing on board committee rules and internal control mechanisms rather than financial results, earnings, or audit reports. There is no indication that this is an announcement of a report publication or a short notice. The content is a detailed governance framework document. Therefore, the most appropriate classification is Governance Information (CGR).
2025-10-29 Chinese
股东会议事规则
Governance Information Classification · 95% confidence The document is titled as "河南硅烷科技发展股份有限公司股东会议事规则" which translates to "Rules of Procedure for Shareholders' Meetings" of the company. It details the rules, procedures, and regulations governing the conduct of shareholders' meetings, including the rights and duties of shareholders, the powers of the shareholders' meeting, the process for convening meetings, proposal submissions, voting procedures, and resolutions. It is a governance-related document outlining internal rules and practices rather than a report of financial results, announcements, or meeting minutes. It is not an announcement of a meeting or voting results, nor is it a transcript or financial report. The content fits the definition of Governance Information (CGR) as it details the company's internal rules, board structure, and governance practices. The document length is substantial (over 13,000 characters), indicating it is the full text of the governance rules, not a brief announcement or summary. Therefore, the appropriate classification is CGR with high confidence.
2025-10-29 Chinese
关联交易决策制度
Governance Information Classification · 95% confidence The document is titled as a decision system for related party transactions of Henan Silane Technology Development Co., Ltd. It details the company's internal rules and procedures regarding related party transactions, including definitions, principles, decision-making procedures, disclosure requirements, and approval processes. The document is a governance-related policy or internal regulation rather than a financial report, earnings release, or announcement of voting results. It does not contain financial statements or audit information, nor is it a transcript or presentation. It is a detailed governance document about internal control and compliance related to related party transactions. Therefore, the most appropriate classification is Governance Information (CGR). The document length (6069 characters) supports it being a full policy document rather than a brief announcement.
2025-10-29 Chinese
对外担保管理制度
Governance Information Classification · 95% confidence The document is titled as a management system for external guarantees by the company, detailing internal rules, decision-making authority, procedures, and disclosure requirements related to external guarantees. It includes references to board and shareholder meetings approving the system, legal compliance, and internal governance. There is no financial data, earnings information, or audit content. The document is a governance-related policy or internal management system rather than a financial report or announcement. Therefore, it fits best under Governance Information (CGR). The document length is 3358 characters, which is relatively short but contains substantive governance content, not just an announcement or notice.
2025-10-29 Chinese
第三届董事会第三十二次会议决议公告
Board/Management Information Classification · 95% confidence The document is a detailed announcement of resolutions passed at the 32nd meeting of the 3rd Board of Directors of Henan Silane Technology Development Co., Ltd. It includes information about meeting attendance, agenda items, voting results, and references to other announcements and reports published on the Beijing Stock Exchange information disclosure platform. The content focuses on board decisions such as approval of the Q3 2025 report, cancellation of the supervisory board, amendments to internal management systems, nomination of board candidates, and other governance matters. There is no actual financial data or full report content included; rather, it is a formal record of board meeting resolutions and related governance updates. This fits the category of Board/Management Information (MANG), which covers announcements of changes or decisions by the board of directors or senior management. The document length (6393 characters) and detailed meeting minutes style further support this classification rather than a full financial report or regulatory filing. Therefore, the appropriate classification is MANG with high confidence.
2025-10-29 Chinese

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