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Tangshan Sunfar Silicon Industries Co.,Ltd. — Investor Relations & Filings

Ticker · 603938 ISIN · CNE100002WS7 LEI · 655600A982KEGQ7DFT56 Shanghai Stock Exchange Manufacturing
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Filings indexed 1,017 across all filing types
Latest filing 2026-05-20 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 603938

About Tangshan Sunfar Silicon Industries Co.,Ltd.

http://www.tssunfar.com/en/

Tangshan Sunfar Silicon Industries Co., Ltd. specializes in the research, development, production, and sale of high-purity silicon-based chemicals and fine chemical products. The company's primary product portfolio includes trichlorosilane, potassium hydroxide, potassium carbonate, and fumed silica. Trichlorosilane serves as a fundamental raw material for the manufacturing of polysilicon, which is essential for the photovoltaic and semiconductor industries, as well as for the production of silane coupling agents. Sunfar Silicon leverages an integrated industrial chain to optimize production efficiency and maintain high quality standards. Its products cater to diverse sectors, including renewable energy, electronics, and chemical manufacturing. The company focuses on technological innovation and large-scale production to meet the growing global demand for advanced silicon materials.

Recent filings

Filing Released Lang Actions
三孚股份：股票交易风险提示公告
Regulatory Filings Classification · 95% confidence The document is a stock trading risk warning announcement (“股票交易风险提示公告”) addressing abnormal price fluctuations under Shanghai Stock Exchange rules, advising investors of trading risks. It does not present financial results, management changes, share issuances, or dividend details, nor is it a report publication announcement. It is a general regulatory announcement required by exchange rules. Therefore it falls under the fallback category Regulatory Filings (RNS).
2026-05-20 Chinese
三孚股份：股票交易异常波动的公告
Regulatory Filings Classification · 85% confidence The document is a stock exchange–mandated abnormal price fluctuation announcement by 唐山三孚硅业股份有限公司, detailing self-inspection results, trading metrics, and risk warnings. It does not contain financial statements, call transcript, governance or ESG report, nor does it announce a dividend, financing, merger, or management change. It is a routine regulatory disclosure under exchange rules and falls into the general “Regulatory Filings” category.
2026-05-19 Chinese
三孚股份：北京市天元律师事务所关于唐山三孚硅业股份有限公司2025年年度股东会的法律意见
Regulatory Filings Classification · 90% confidence The document is a legal opinion letter issued by Tian Yuan Law Firm regarding the legality of convening, attendance, voting procedures and results of the 2025 Annual General Meeting of Tangshan Sanfu Silicon Industry Co., Ltd. It does not contain substantive financial statements or act as the actual AGM notice to shareholders, nor is it a presentation or earnings release. Instead, it is an attestation by a law firm—a certification-type document. Under the certification rule, such legal opinion letters are classified as Regulatory Filings (RNS).
2026-05-13 Chinese
三孚股份：2025年年度股东会决议公告
Declaration of Voting Results & Voting Rights Announcements Classification · 95% confidence The document is a resolution announcement from the 2025 Annual General Meeting of shareholders, detailing attendance and vote counts for each proposal. It provides the official voting results of the AGM. This matches the Declaration of Voting Results & Voting Rights Announcements category, not the full AGM materials or annual report itself.
2026-05-13 Chinese
三孚股份：股票交易异常波动的公告
Regulatory Filings Classification · 87% confidence The document is an official regulatory announcement by a listed company on the Shanghai Stock Exchange disclosing an abnormal share price fluctuation, the investigation performed, risk warnings, and assurances of no undisclosed material information. There are no financial statements or substantive report content; instead, it serves as a mandatory compliance disclosure. This fits the catch-all Regulatory Filings category (Code: RNS).
2026-05-13 Chinese
三孚股份：2025年内部控制评价报告
Audit Report / Information Classification · 80% confidence The document is titled “2025年度内部控制评价报告” (2025 Internal Control Evaluation Report) and contains a detailed internal control effectiveness assessment including scope, defect identification standards, and audit committee statements. It is a standalone internal control/audit‐related report and not an Annual Report, earnings release, or simple announcement. This fits into the “Audit Report / Information” category (AR) for standalone audit or control evaluation documents. FY 2025
2026-04-15 Chinese

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