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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 2026-04-13 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.

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