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

Ticker · 688432 Shanghai Stock Exchange Manufacturing
Filings indexed 389 across all filing types
Latest filing 2025-08-13 Regulatory Filings
Country CN China
Listing Shanghai Stock Exchange 688432

About GRINM SEMICONDUCTOR MATERIALS CO., LTD.

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
有研半导体硅材料股份公司独立董事工作制度
Regulatory Filings
2025-08-13 Chinese
有研半导体硅材料股份公司募集资金管理制度
Regulatory Filings
2025-08-13 Chinese
有研半导体硅材料股份公司对外担保管理制度
Regulatory Filings
2025-08-13 Chinese
有研硅关于公司独立董事辞职暨补选独立董事的公告
Regulatory Filings
2025-08-13 Chinese
有研硅第二届监事会第十次会议决议公告
Regulatory Filings
2025-08-13 Chinese
有研半导体硅材料股份公司信息披露暂缓与豁免事务管理制度
Regulatory Filings
2025-08-13 Chinese

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