
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 |
|---|---|---|---|
| 网下向询价对象配售和网上向社会公众投资者定价发行公告 | 2008-03-03 | Chinese | |
| 首次公开发行股票初步询价结果及定价公告 | 2008-03-03 | Chinese | |
| 首次公开发行股票网上路演公告 | 2008-03-02 | Chinese | |
| 首次公开发行股票初步询价及推介公告 | 2008-02-25 | Chinese | |
| 2007年第三次临时股东大会会议决议 | 2008-02-25 | Chinese | |
| 首次公开发行股票与上市的补充法律意见(一) | 2008-02-25 | Chinese |
Browse filings by year
19 years- 2026 3 filings
- 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 | |
|---|---|---|---|---|---|
|
2008
15 filings
| |||||
| 35095424 | 网下向询价对象配售和网上向社会公众投资者定价发行公告 | 2008-03-03 | Chinese | ||
| 35095401 | 首次公开发行股票初步询价结果及定价公告 | 2008-03-03 | Chinese | ||
| 35095392 | 首次公开发行股票网上路演公告 | 2008-03-02 | Chinese | ||
| 35095383 | 首次公开发行股票初步询价及推介公告 | 2008-02-25 | Chinese | ||
| 35095365 | 2007年第三次临时股东大会会议决议 | 2008-02-25 | Chinese | ||
| 35095323 | 首次公开发行股票与上市的补充法律意见(一) | 2008-02-25 | Chinese | ||
| 35095311 | 首次公开发行股票与上市的法律意见书 | 2008-02-25 | Chinese | ||
| 35095188 | 招商证券股份有限公司关于公司证券发行保荐书 | 2008-02-25 | Chinese | ||
| 35095155 | 首次公开发行股票招股意向书 | 2008-02-25 | Chinese | ||
| 35095004 | 已审财务报表 | 2008-02-25 | Chinese | ||
| 35094821 | 公司章程(修订草案) | 2008-02-25 | Chinese | ||
| 35094423 | 首次公开发行股票招股意向书摘要 | 2008-02-25 | Chinese | ||
| 35094377 | 中国证监会关于核准公司首次公开发行股票的批复 | 2008-02-25 | Chinese | ||
| 35094346 | 非经常性损益明细表的专项说明 | 2008-02-25 | Chinese | ||
| 35094331 | 内部控制审核报告 | 2008-02-25 | 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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