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GRINM SEMICONDUCTOR MATERIALS CO., LTD. — Investor Relations & Filings

Ticker · 688432 ISIN · CNE100005V25 Shanghai Stock Exchange Manufacturing
Filings indexed 390 across all filing types
Latest filing 2026-05-19 Capital/Financing Update
Country CN China
Listing Shanghai Stock Exchange 688432

About GRINM SEMICONDUCTOR MATERIALS CO., LTD.

http://www.gritek.com/

GRINM Semiconductor Materials Co., Ltd. specializes in the research, development, and large-scale production of high-purity semiconductor silicon materials. The company’s core product portfolio includes monocrystalline silicon ingots and polished wafers ranging from 150mm to 300mm in diameter. These materials are engineered for use in integrated circuits, discrete power devices, and micro-electromechanical systems (MEMS). Utilizing advanced crystal growth technologies such as Czochralski (CZ) and Magnetic Czochralski (MCZ) methods, the company provides high-performance substrates characterized by precise electrical properties and low defect densities. Its technical capabilities support the manufacturing of power electronics, automotive components, and consumer electronics. By focusing on material purity and structural integrity, the company serves as a critical supplier in the global semiconductor supply chain.

Recent filings

Filing Released Lang Actions
有研硅关于全资子公司开立募集资金专项账户并签订募集资金专户存储四方监管协议的公告
Capital/Financing Update Classification · 85% confidence The document is a detailed announcement by a listed company regarding the opening of a special account for IPO-raised funds and the signing of a four-party supervision agreement. It contains no financial statements but relates to the management and use of funds raised through a financing event (IPO). This fits the definition of a Capital/Financing Update (CAP) rather than a pure regulatory filing or financial report.
2026-05-19 Chinese
中信证券股份有限公司关于有研半导体硅材料股份公司持续督导保荐总结报告书
Regulatory Filings
2026-04-13 Chinese
中信证券股份有限公司关于有研半导体硅材料股份公司2025年度持续督导工作现场检查报告
Regulatory Filings
2026-04-13 Chinese
有研硅关于2026年第一次临时股东会的延期公告
Regulatory Filings
2026-04-02 Chinese
有研硅2026年第一次临时股东会会议资料
Regulatory Filings
2026-04-01 Chinese
有研硅关于购买董责险的公告
Regulatory Filings
2026-03-26 Chinese

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