GRINM SEMICONDUCTOR MATERIALS CO., LTD. — Investor Relations & Filings
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 |
|---|---|---|---|
| 有研硅募集资金管理制度 | 2022-11-18 | Chinese | |
| 有研硅公司章程 | 2022-11-08 | Chinese | |
| 有研硅首次公开发行股票科创板上市公告书 | 2022-11-08 | Chinese | |
| 有研硅首次公开发行股票并在科创板上市发行结果公告 | 2022-11-06 | Chinese | |
| 有研硅首次公开发行股票并在科创板上市招股说明书 | 2022-11-06 | Chinese | |
| 有研硅首次公开发行股票并在科创板上市网下初步配售结果及网上中签结果公告 | 2022-11-02 | Chinese |
Browse filings by year
5 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2022
15 filings
| |||||
| 39559037 | 有研硅募集资金管理制度 | 2022-11-18 | Chinese | ||
| 39558960 | 有研硅公司章程 | 2022-11-08 | Chinese | ||
| 39558701 | 有研硅首次公开发行股票科创板上市公告书 | 2022-11-08 | Chinese | ||
| 39558638 | 有研硅首次公开发行股票并在科创板上市发行结果公告 | 2022-11-06 | Chinese | ||
| 39558625 | 有研硅首次公开发行股票并在科创板上市招股说明书 | 2022-11-06 | Chinese | ||
| 39558478 | 有研硅首次公开发行股票并在科创板上市网下初步配售结果及网上中签结果公告 | 2022-11-02 | Chinese | ||
| 39558450 | 有研硅首次公开发行股票并在科创板上市网上发行申购情况及中签率公告 | 2022-11-01 | Chinese | ||
| 39558436 | 中信证券股份有限公司关于有研半导体硅材料股份公司首次公开发行股票战略投资者之专项核查报告 | 2022-10-30 | Chinese | ||
| 39558409 | 北京市竞天公诚律师事务所关于有研半导体硅材料股份公司首次公开发行股票并在科创板上市战略投资者核查事项的法律意见书 | 2022-10-30 | Chinese | ||
| 39558393 | 有研硅首次公开发行股票并在科创板上市投资风险特别公告 | 2022-10-30 | Chinese | ||
| 39558381 | 有研硅首次公开发行股票并在科创板上市发行公告 | 2022-10-30 | Chinese | ||
| 39558353 | 有研硅首次公开发行股票并在科创板上市网上路演公告 | 2022-10-27 | Chinese | ||
| 39558342 | 有研硅首次公开发行股票并在科创板上市发行安排及初步询价公告 | 2022-10-23 | Chinese | ||
| 39558328 | 有研硅首次公开发行股票并在科创板上市招股意向书 | 2022-10-23 | Chinese | ||
| 39558070 | 有研硅首次公开发行股票并在科创板上市招股意向书附录 | 2022-10-23 | Chinese | ||
Market data
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Price history
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GRINM SEMICONDUCTOR MATERIALS CO., LTD. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/58416/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=58416 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=58416 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=58416 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 58416}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for GRINM SEMICONDUCTOR MATERIALS CO., LTD. (id: 58416)"
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