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 |
|---|---|---|---|
| 年报信息披露重大差错责任追究制度（2010年3月） | 2010-03-31 | Chinese | |
| 独立董事2009年度述职报告（梁巨元） | 2010-03-31 | Chinese | |
| 控股股东及其他关联方占用资金情况说明 | 2010-03-31 | Chinese | |
| 2009年年度报告摘要 | 2010-03-31 | Chinese | |
| 关于举行2009年度报告网上说明会的通知 | 2010-03-31 | Chinese | |
| 招商证券股份有限公司关于公司以暂时闲置的募集资金补充公司流动资金的专项意见 | 2010-03-31 | Chinese |
Browse filings by year
19 years- 2026 1 filing
- 2025 58 filings
- 2024 65 filings
- 2023 68 filings
- 2022 47 filings
- 2021 70 filings
- 2020 42 filings
- 2019 51 filings
- 2018 67 filings
- 2017 41 filings
- 2016 50 filings
- 2015 68 filings
- 2014 47 filings
- 2013 39 filings
- 2012 64 filings
- 2011 61 filings
- 2010 55 filings
- 2009 58 filings
- 2008 99 filings
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2010
15 filings
| |||||
| 35097512 | 年报信息披露重大差错责任追究制度（2010年3月） | 2010-03-31 | Chinese | ||
| 35097495 | 独立董事2009年度述职报告（梁巨元） | 2010-03-31 | Chinese | ||
| 35097484 | 控股股东及其他关联方占用资金情况说明 | 2010-03-31 | Chinese | ||
| 35097473 | 2009年年度报告摘要 | 2010-03-31 | Chinese | ||
| 35097457 | 关于举行2009年度报告网上说明会的通知 | 2010-03-31 | Chinese | ||
| 35097446 | 招商证券股份有限公司关于公司以暂时闲置的募集资金补充公司流动资金的专项意见 | 2010-03-31 | Chinese | ||
| 35097438 | 独立董事关于公司2009年度有关事项的独立意见 | 2010-03-31 | Chinese | ||
| 35097425 | 2009年度社会责任报告 | 2010-03-31 | Chinese | ||
| 35097423 | 第二届监事会第四次会议决议公告 | 2010-03-31 | Chinese | ||
| 35097415 | 招商证券股份有限公司关于公司2009年度募集资金使用与存放情况专项核查报告 | 2010-03-31 | Chinese | ||
| 35097401 | 关于2009年度募集资金存放与使用情况的专项说明 | 2010-03-31 | Chinese | ||
| 35097391 | 2009年年度审计报告 | 2010-03-31 | Chinese | ||
| 35097373 | 关于使用募集资金暂时补充流动资金的公告 | 2010-03-31 | Chinese | ||
| 35097365 | 内幕信息知情人报备制度（2010年3月） | 2010-03-31 | Chinese | ||
| 35097351 | 招商证券股份有限公司关于公司2009年度关联交易的核查意见 | 2010-03-31 | 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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