CASTECH Inc. — Investor Relations & Filings
CASTECH Inc. specializes in the research, development, and manufacturing of crystals, precision optical components, and laser devices. The company is a primary supplier of nonlinear optical (NLO) crystals, notably Lithium Triborate (LBO), Barium Borate (BBO), and Potassium Titanyl Phosphate (KTP). Its product portfolio includes laser crystals such as Nd:YVO4 and Nd:YAG, alongside precision optics like lenses, prisms, and mirrors. CASTECH also produces specialized laser components, including optical isolators and Pockels cells. The company serves diverse sectors including laser manufacturing, telecommunications, medical technology, and scientific research. By leveraging advanced crystal growth and optical processing technologies, CASTECH provides high-performance solutions for complex photonics and laser system requirements.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 关于举行2020年度业绩说明会并征集问题的公告 | 2021-04-28 | Chinese | |
| 年度股东大会通知 | 2021-04-23 | Chinese | |
| 监事会决议公告 | 2021-04-23 | Chinese | |
| 2021年第一季度报告正文 | 2021-04-23 | Chinese | |
| 独立董事提名人声明（三） | 2021-04-23 | Chinese | |
| 独立董事关于第五届董事会第十二次会议有关事项的事前认可意见 | 2021-04-23 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2021
15 filings
| |||||
| 35105064 | 关于举行2020年度业绩说明会并征集问题的公告 | 2021-04-28 | Chinese | ||
| 35105051 | 年度股东大会通知 | 2021-04-23 | Chinese | ||
| 35105038 | 监事会决议公告 | 2021-04-23 | Chinese | ||
| 35105024 | 2021年第一季度报告正文 | 2021-04-23 | Chinese | ||
| 35105015 | 独立董事提名人声明（三） | 2021-04-23 | Chinese | ||
| 35105007 | 独立董事关于第五届董事会第十二次会议有关事项的事前认可意见 | 2021-04-23 | Chinese | ||
| 35105003 | 独立董事2020年度述职报告（陈金山） | 2021-04-23 | Chinese | ||
| 35104994 | 关于拟变更公司经营范围并修订《公司章程》的公告 | 2021-04-23 | Chinese | ||
| 35104985 | 2020年度监事会工作报告 | 2021-04-23 | Chinese | ||
| 35104976 | 社会责任报告 | 2021-04-23 | Chinese | ||
| 35104965 | 关于2021年度日常经营关联交易预计的公告 | 2021-04-23 | Chinese | ||
| 35104957 | 关于拟续聘会计师事务所的公告 | 2021-04-23 | Chinese | ||
| 35104950 | 董事会决议公告 | 2021-04-23 | Chinese | ||
| 35104944 | 2020年年度报告摘要 | 2021-04-23 | Chinese | ||
| 35104935 | 独立董事候选人声明（陈嘉） | 2021-04-23 | Chinese | ||
Market data
Market data not available
Price history
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CASTECH Inc. 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/54275/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=54275 | 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=54275 | 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=54275 \ -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": 54275}, 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 CASTECH Inc. (id: 54275)"
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