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 |
|---|---|---|---|
| 2019年内部控制规则落实自查表 | 2020-04-17 | Chinese | |
| 控股股东及其他关联方资金占用情况的专项说明 | 2020-04-17 | Chinese | |
| 2019年度业绩快报 | 2020-02-26 | Chinese | |
| 关于子公司对外投资进展情况的公告 | 2020-01-22 | Chinese | |
| 关于子公司拟参与竞买武汉华日精密激光股份有限公司5%股权的公告 | 2020-01-10 | Chinese | |
| 关于监事辞职的公告 | 2019-12-24 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2020
5 filings
| |||||
| 35104149 | 2019年内部控制规则落实自查表 | 2020-04-17 | Chinese | ||
| 35104138 | 控股股东及其他关联方资金占用情况的专项说明 | 2020-04-17 | Chinese | ||
| 35104127 | 2019年度业绩快报 | 2020-02-26 | Chinese | ||
| 35104114 | 关于子公司对外投资进展情况的公告 | 2020-01-22 | Chinese | ||
| 35104094 | 关于子公司拟参与竞买武汉华日精密激光股份有限公司5%股权的公告 | 2020-01-10 | Chinese | ||
|
2019
10 filings
| |||||
| 35104083 | 关于监事辞职的公告 | 2019-12-24 | Chinese | ||
| 35104073 | 关于设立全资子公司进展情况的公告 | 2019-12-10 | Chinese | ||
| 35104063 | 关于设立全资子公司的公告 | 2019-12-03 | Chinese | ||
| 35104051 | 第五届董事会第八次会议决议公告 | 2019-12-03 | Chinese | ||
| 35104041 | 独立董事关于对外投资暨关联交易的独立意见 | 2019-12-03 | Chinese | ||
| 35104029 | 关于对外投资暨关联交易的公告 | 2019-12-03 | Chinese | ||
| 35104026 | 2019年第一次临时股东大会决议公告 | 2019-11-08 | Chinese | ||
| 35104010 | 2019年第一次临时股东大会的法律意见 | 2019-11-08 | Chinese | ||
| 35103998 | 关于股东减持计划进展的公告 | 2019-11-01 | Chinese | ||
| 35103987 | 独立董事关于改聘2019年度审计机构的事前认可意见 | 2019-10-22 | 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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