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 |
|---|---|---|---|
| 内部控制自我评价报告 | 2022-04-22 | Chinese | |
| 2021年度监事会工作报告 | 2022-04-22 | Chinese | |
| 独立董事2021年度述职报告（李文） | 2022-04-22 | Chinese | |
| 独立董事2021年度述职报告（陈嘉） | 2022-04-22 | Chinese | |
| 董事会决议公告 | 2022-04-22 | Chinese | |
| 2021年度董事会工作报告 | 2022-04-22 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2022
13 filings
| |||||
| 35105675 | 内部控制自我评价报告 | 2022-04-22 | Chinese | ||
| 35105663 | 2021年度监事会工作报告 | 2022-04-22 | Chinese | ||
| 35105655 | 独立董事2021年度述职报告（李文） | 2022-04-22 | Chinese | ||
| 35105647 | 独立董事2021年度述职报告（陈嘉） | 2022-04-22 | Chinese | ||
| 35105635 | 董事会决议公告 | 2022-04-22 | Chinese | ||
| 35105621 | 2021年度董事会工作报告 | 2022-04-22 | Chinese | ||
| 35105604 | 独立董事对担保等事项的独立意见 | 2022-04-22 | Chinese | ||
| 35105593 | 2021年年度报告摘要 | 2022-04-22 | Chinese | ||
| 35105583 | 关于举行2021年度网上业绩说明的公告 | 2022-04-22 | Chinese | ||
| 35105574 | 关于2022年度日常经营关联交易预计的公告 | 2022-04-22 | Chinese | ||
| 35105563 | 独立董事2021年度述职报告（陈金山） | 2022-04-22 | Chinese | ||
| 35105547 | 独立董事年度述职报告 | 2022-04-22 | Chinese | ||
| 35105538 | 2021年度业绩快报 | 2022-02-22 | Chinese | ||
|
2021
2 filings
| |||||
| 35105517 | 2021年第一次临时股东大会决议公告 | 2021-12-14 | Chinese | ||
| 35105503 | 北京德恒律师事务所关于福建福晶科技股份有限公司2021年第一次临时股东大会的法律意见 | 2021-12-14 | 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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