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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 2025-03-19 Board/Management Inform…
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
2024年度独立董事述职报告（董红杰）
Board/Management Information Classification · 95% confidence The document is titled as an "Independent Director 2024 Annual Work Report" from Henan Silane Technology Development Co., Ltd. It details the independent director's activities, attendance at board and shareholder meetings, supervision of audit committees, and protection of minority shareholders' rights during the 2024 fiscal year. The content is a narrative report on the director's duties and oversight rather than financial statements or audit results. It is not an annual report (10-K), audit report (AR), or management report (MDA). It is a specific report by an independent director about their work and independence, which fits best under Board/Management Information (MANG) as it relates to board member activities and governance roles. The document length is 2174 characters, which is relatively short but contains substantive content about the director's role and activities, not just an announcement or certification. Therefore, the classification is MANG with high confidence.
2025-03-19 Chinese
2024年度独立董事述职报告（方拥军已离职）
Board/Management Information Classification · 95% confidence The document is titled as an "Independent Director 2024 Annual Work Report" from Henan Silane Technology Development Co., Ltd. It details the independent director's activities, attendance at board and committee meetings, supervision of audit and internal controls, protection of minority shareholders, and other governance-related duties during the 2024 fiscal year. The content is a narrative report on the independent director's performance and duties rather than a financial report or announcement. It does not contain financial statements or audit opinions, nor is it a regulatory filing or announcement of voting results. This type of document fits best under Board/Management Information (MANG), as it relates to management and board member reporting on their role and activities.
2025-03-19 Chinese
2024年度独立董事述职报告（倪晓）
Board/Management Information Classification · 95% confidence The document is titled as an "Independent Director 2024 Annual Work Report" from Henan Silane Technology Development Co., Ltd. It details the independent director's activities, attendance at board and committee meetings, supervision of audit and internal controls, and protection of minority shareholders' rights during the year 2024. The content is a narrative report of the director's duties and oversight rather than a financial report or announcement. It does not contain financial statements or data, nor is it an announcement of voting results or management changes. This type of document fits best under Board/Management Information (MANG) as it relates to board member activities and governance oversight by an independent director.
2025-03-19 Chinese
关于组织架构调整公告
Board/Management Information Classification · 95% confidence The document is an announcement regarding changes in the company's organizational structure, approved by the board of directors. It mentions board meetings and resolutions related to the adjustment of the company's internal departments. There is no financial data, no mention of annual or quarterly reports, no audit information, and no regulatory filings or certifications. The content clearly relates to management and board-level changes in the company's structure, which fits the category of Board/Management Information (MANG). The document length is short and focused solely on organizational changes, confirming it is not a full report or announcement of a report publication.
2025-03-19 Chinese
股东及其他关联方占用资金情况的专项报告
Regulatory Filings
2025-03-19 Chinese
中信证券股份有限公司关于河南硅烷科技发展股份有限公司2024年度募集资金存放与使用情况的核查意见
Audit Report / Information Classification · 95% confidence The document is a detailed report on the 2024 annual fundraising funds deposit and usage verification for Henan Silane Technology Development Co., Ltd., prepared by CITIC Securities as the continuous supervision institution. It includes specific data on fundraising amounts, usage, balances, management, and audit opinions by an accounting firm. The document references regulatory guidelines related to fundraising management and usage, and contains tables with financial figures related to fundraising usage. The document is about the verification and audit of fundraising funds usage, not a general annual report or earnings release. It is a specialized audit and verification report on fundraising funds usage, which fits the category of Audit Report / Information (AR). The document length is 4231 characters, which is sufficient to contain substantive content, not just an announcement. Therefore, the classification is AR with high confidence. FY 2024
2025-03-19 Chinese

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