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 |
|---|---|---|---|
| 关于会计政策变更的公告 | 2018-10-26 | Chinese | |
| 关于与控股股东共同投资的关联交易公告 | 2018-10-26 | Chinese | |
| 独立董事关于第五届董事会第四次会议有关事项的独立意见 | 2018-10-26 | Chinese | |
| 第五届董事会第四次会议决议公告 | 2018-10-26 | Chinese | |
| 第五届监事会第四次会议决议公告 | 2018-10-26 | Chinese | |
| 关于股东减持计划进展的公告 | 2018-09-17 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2018
15 filings
| |||||
| 35103228 | 关于会计政策变更的公告 | 2018-10-26 | Chinese | ||
| 35103219 | 关于与控股股东共同投资的关联交易公告 | 2018-10-26 | Chinese | ||
| 35103208 | 独立董事关于第五届董事会第四次会议有关事项的独立意见 | 2018-10-26 | Chinese | ||
| 35103199 | 第五届董事会第四次会议决议公告 | 2018-10-26 | Chinese | ||
| 35103190 | 第五届监事会第四次会议决议公告 | 2018-10-26 | Chinese | ||
| 35103181 | 关于股东减持计划进展的公告 | 2018-09-17 | Chinese | ||
| 35103173 | 2018年半年度报告 | 2018-08-17 | Chinese | ||
| 35103128 | 独立董事关于2018年上半年对外担保和关联方资金往来的独立意见 | 2018-08-17 | Chinese | ||
| 35103118 | 2018年半年度财务报告 | 2018-08-17 | Chinese | ||
| 35103084 | 2018年半年度报告摘要 | 2018-08-17 | Chinese | ||
| 35103074 | 2018年第一次临时股东大会决议公告 | 2018-06-22 | Chinese | ||
| 35103062 | 2018年第一次临时股东大会的法律意见 | 2018-06-22 | Chinese | ||
| 35103050 | 关于股东减持计划期满实施情况的公告 | 2018-06-19 | Chinese | ||
| 35103034 | 董事会议事规则（2018年6月） | 2018-06-06 | Chinese | ||
| 35103025 | 第五届监事会第二次会议决议公告 | 2018-06-06 | 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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