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 |
|---|---|---|---|
| 关于参加2025年福建辖区上市公司投资者网上集体接待日活动暨举行2024年度业绩说明会的公告(1) | 2025-05-07 | Chinese | |
| 董事会对独立董事独立性评估的专项意见 | 2025-04-28 | Chinese | |
| 2024年年度审计报告 | 2025-04-28 | Chinese | |
| 关于会计师事务所2024年度履职情况评估暨审计委员会履行监督职责情况的报告 | 2025-04-28 | Chinese | |
| 董事会决议公告 | 2025-04-28 | Chinese | |
| 内部控制自我评价报告 | 2025-04-28 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 35109984 | 关于参加2025年福建辖区上市公司投资者网上集体接待日活动暨举行2024年度业绩说明会的公告(1) | 2025-05-07 | Chinese | ||
| 35109978 | 董事会对独立董事独立性评估的专项意见 | 2025-04-28 | Chinese | ||
| 35109966 | 2024年年度审计报告 | 2025-04-28 | Chinese | ||
| 35109943 | 关于会计师事务所2024年度履职情况评估暨审计委员会履行监督职责情况的报告 | 2025-04-28 | Chinese | ||
| 35109930 | 董事会决议公告 | 2025-04-28 | Chinese | ||
| 35109918 | 内部控制自我评价报告 | 2025-04-28 | Chinese | ||
| 35109903 | 独立董事2024年度述职报告（陈炳玉） | 2025-04-28 | Chinese | ||
| 35109892 | 2024年度董事会工作报告 | 2025-04-28 | Chinese | ||
| 35109881 | 2025年一季度报告 | 2025-04-28 | Chinese | ||
| 35109699 | 关于2025年度日常经营关联交易预计的公告 | 2025-04-28 | Chinese | ||
| 35109687 | 关于2024年度利润分配方案的公告 | 2025-04-28 | Chinese | ||
| 35109677 | 2024年年度报告摘要 | 2025-04-28 | Chinese | ||
| 35109664 | 独立董事2024年度述职报告（朱霖） | 2025-04-28 | Chinese | ||
| 35109656 | 监事会决议公告 | 2025-04-28 | Chinese | ||
| 35109644 | 独立董事2024年度述职报告（孙敏） | 2025-04-28 | 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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