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

Ticker · 688432 ISIN · CNE100005V25 Shanghai Stock Exchange Manufacturing
Open in API
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 Classification · 95% confidence The document is titled as a "持续督导保荐总结报告书" (Continuous Supervision Sponsorship Summary Report) issued by a sponsor (中信证券股份有限公司) for a company (有研半导体硅材料股份公司) that had an IPO and listing on the Shanghai Stock Exchange's STAR Market. It details the sponsor's ongoing supervision work, including review of fund usage, compliance with disclosure obligations, and major events during the supervision period. The document includes summaries of supervisory activities, opinions on fund usage, and compliance with regulatory requirements. It is not a full annual or interim financial report, nor an earnings release or call transcript. It is a regulatory compliance and supervision summary report related to the IPO and post-IPO period. The document length is 3555 characters, which is relatively short and consistent with a summary report rather than a full financial report. It does not contain detailed financial statements or comprehensive financial analysis. Therefore, it fits best under the category of Regulatory Filings (RNS), which is the fallback for miscellaneous regulatory compliance documents that do not fit other categories.
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
Audit Report / Information Classification · 95% confidence The document is titled as a "现场检查报告" (On-site Inspection Report) for the year 2025 by a sponsor (中信证券股份有限公司) regarding a listed company (有研半导体硅材料股份公司). It details the sponsor's continuous supervision work, including governance, internal control, information disclosure, independence, use of raised funds, related party transactions, and operational status. The document is a detailed report of the sponsor's inspection findings and opinions, not an announcement or a brief summary. It is not a full annual report (10-K) or interim report (IR) but a specific audit/inspection report related to regulatory continuous supervision. It does not fit categories like AGM materials, earnings release, or capital updates. The closest fitting category is Audit Report / Information (AR), as it is a standalone inspection report with findings on internal controls, governance, and compliance, issued by the sponsor as part of regulatory oversight. The document length is 2778 characters, which is relatively short but contains substantive content and detailed findings, not just an announcement or certification. Therefore, the classification is AR with high confidence.
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 Classification · 95% confidence The document is an announcement regarding the postponement of the 2026 first extraordinary general meeting (临时股东会) of the company 有研半导体硅材料股份公司. It details the new meeting date, original meeting date, voting arrangements, and references previous announcements about the meeting. The document does not contain financial statements or detailed financial data, nor is it a report or presentation. It is a formal notice about the change in the meeting schedule, which fits the category of a regulatory announcement related to shareholder meetings but not the voting results or meeting materials themselves. Given the nature and length of the document, it is best classified as a Regulatory Filing (RNS), which is the fallback category for miscellaneous regulatory announcements that do not fit other specific categories.
2026-04-02 Chinese
有研硅2026年第一次临时股东会会议资料
AGM Information Classification · 95% confidence The document is titled "2026 年第一次临时股东会会议资料" which translates to "2026 First Extraordinary General Meeting (EGM) Materials". It contains detailed meeting materials including meeting notices, agenda, voting procedures, and a specific proposal regarding the use of funds to establish a wholly-owned subsidiary for a new project. The content is focused on the meeting itself, including procedural rules, agenda items, and proposal details for shareholder consideration. There are no financial statements or comprehensive financial data presented, nor is this a transcript or announcement of results. The document is clearly the meeting materials provided to shareholders for the EGM. According to the filing definitions, materials shared during a general meeting (AGM or EGM) fall under "AGM Information (AGM-R)". Although this is an extraordinary meeting, the category AGM-R covers presentations and materials shared during such shareholder meetings. The document length (5324 characters) supports it being a full meeting material rather than a brief announcement. Therefore, the correct classification is AGM-R with high confidence.
2026-04-01 Chinese
有研硅关于购买董责险的公告
Regulatory Filings Classification · 95% confidence The document is an announcement regarding the company's decision to purchase directors and officers liability insurance (董责险). It details the insurance plan, authorization matters, and the procedural steps taken by the board and shareholders. There is no financial data, earnings information, or detailed report content. The document is a formal announcement about a corporate governance and risk management action, not a report or financial filing. It fits best under Regulatory Filings (RNS) as it is a regulatory announcement about corporate governance matters without fitting other specific categories.
2026-03-26 Chinese

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