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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 2026-04-12 AGM 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
关于召开2025年年度股东会通知公告（提供网络投票）
AGM Information Classification · 95% confidence The document is a notice announcing the convening of the 2025 Annual General Meeting (AGM) of Henan Silane Technology Development Co., Ltd. It includes details about the meeting date, voting methods (including online voting), agenda items to be discussed and voted on, registration procedures, and proxy authorization forms. The document does not contain the actual annual report, financial statements, or voting results, but rather serves as an official notification to shareholders about the upcoming AGM and how to participate. The document length is 3250 characters, which is relatively short and consistent with a meeting notice rather than a full report. Therefore, this document fits the category of AGM Information (AGM-R).
2026-04-12 Chinese
董事会审计委员会2025年度履职情况报告
Audit Report / Information Classification · 95% confidence The document is a detailed report from the Audit Committee of the Board of Directors of Henan Silane Technology Development Co., Ltd. It covers the committee's activities, meetings, evaluations, and oversight related to the company's financial reporting, internal controls, and external audit work for the fiscal year 2025. It references specific audit reports, internal control evaluations, and compliance with laws and regulations. The document is not a standalone audit report but rather a comprehensive summary of the Audit Committee's work and assessments over the year. It does not contain the full financial statements or detailed audit opinions themselves but discusses the audit process and oversight. Therefore, it fits best into the category of Audit Report / Information (AR), which includes standalone audit reports, applied accounting principles, and results of internal or regulatory stress tests, excluding full Annual Reports. The document length (2929 characters) is sufficient to be a report rather than a brief announcement. Hence, the classification is AR with high confidence. FY 2025
2026-04-12 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, including renaming and restructuring of departments. It references board meetings where these changes were approved. There is no financial data, earnings information, or regulatory filings related to financial performance. The content focuses on management and organizational changes, which fits the category of Board/Management Information (MANG). The document length is short and it is not a report or announcement of a report publication, so it is not RPA or RNS.
2026-04-12 Chinese
关于中国平煤神马集团财务有限责任公司的风险持续评估报告
Regulatory Filings Classification · 95% confidence The document is a risk assessment report regarding the financial status and risk management of a financial company affiliated with the reporting company. It includes detailed financial data for the years 2024 and 2025, risk management practices, regulatory compliance, and operational evaluations. The document is titled as a '风险持续评估报告' (Risk Continuous Assessment Report) and is issued by the company's board. It is not a full annual or interim financial report but a specialized risk assessment report related to a financial institution's operations and risk controls. It does not fit the definitions of Annual Report (10-K), Interim Report (IR), or Audit Report (AR) as it is focused on risk evaluation rather than comprehensive financial statements or audit opinions. It is also not a simple announcement or certification but a substantive report on risk management and financial condition. Therefore, the best fitting category is Regulatory Filings (RNS), which covers miscellaneous regulatory announcements and compliance documents that do not fit other specific categories.
2026-04-12 Chinese
董事会审计委员会对会计师事务所2025年度履行监督职责情况的报告
Audit Report / Information Classification · 95% confidence The document is a detailed report from the company's Board Audit Committee regarding the supervision of the external audit firm (Zhongxinghua CPA Firm) for the fiscal year 2025. It includes information about the audit firm's qualifications, the audit process, communication with management, and the committee's evaluation of the audit firm's performance and independence. The document references the 2025 annual audit and related reports but does not contain the full annual report or financial statements itself. It is a standalone audit-related report focusing on the audit firm's oversight and results, which fits the definition of an Audit Report / Information (AR). The document length is 2033 characters, which is sufficient for a substantive report rather than a brief announcement. Therefore, the appropriate classification is AR with high confidence. FY 2025
2026-04-12 Chinese
中信证券股份有限公司对河南硅烷科技发展股份有限公司关于中国平煤神马集团财务有限责任公司2025年度风险持续评估报告的核查意见
Regulatory Filings Classification · 72% confidence The document is a sponsor’s verification (“核查意见”) of a continuous risk assessment report for a related finance company, prepared by Citic Securities under Beijing Stock Exchange and China Securities Regulatory requirements. It is not a full annual or interim financial report, earnings release, proxy or AGM material, nor a management discussion or presentation. It is a regulatory submission/opinion letter that does not itself contain a certified audit of financial statements but is required under listing rules. Therefore it falls into the general Regulatory Filings category (RNS).
2026-04-12 Chinese

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