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 |
|---|---|---|---|
| 2018年第一季度报告正文 | 2018-04-26 | Chinese | |
| 关于会计估计变更的公告 | 2018-04-26 | Chinese | |
| 第四届监事会第十一次会议决议公告 | 2018-04-26 | Chinese | |
| 关于举行2017年度报告网上说明会的通知 | 2018-04-23 | Chinese | |
| 关于2017年度股东大会通知的更正公告 | 2018-04-17 | Chinese | |
| 第四届监事会第十次会议决议公告 | 2018-04-13 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2018
15 filings
| |||||
| 35102862 | 2018年第一季度报告正文 | 2018-04-26 | Chinese | ||
| 35102855 | 关于会计估计变更的公告 | 2018-04-26 | Chinese | ||
| 35102843 | 第四届监事会第十一次会议决议公告 | 2018-04-26 | Chinese | ||
| 35102834 | 关于举行2017年度报告网上说明会的通知 | 2018-04-23 | Chinese | ||
| 35102827 | 关于2017年度股东大会通知的更正公告 | 2018-04-17 | Chinese | ||
| 35102818 | 第四届监事会第十次会议决议公告 | 2018-04-13 | Chinese | ||
| 35102805 | 独立董事候选人声明（李文） | 2018-04-13 | Chinese | ||
| 35102799 | 第四届董事会第十二次会议决议公告 | 2018-04-13 | Chinese | ||
| 35102790 | 2017年年度报告摘要 | 2018-04-13 | Chinese | ||
| 35102778 | 2017年度监事会工作报告 | 2018-04-13 | Chinese | ||
| 35102770 | 独立董事2017年度述职报告 | 2018-04-13 | Chinese | ||
| 35102765 | 控股股东及其他关联方占用资金情况说明 | 2018-04-13 | Chinese | ||
| 35102757 | 2017年年度报告 | 2018-04-13 | Chinese | ||
| 35102753 | 关于召开2017年度股东大会的通知 | 2018-04-13 | Chinese | ||
| 35102737 | 独立董事候选人声明（陈金山） | 2018-04-13 | 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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