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 |
|---|---|---|---|
| 关于召开二○○八年第一次临时股东大会的通知 | 2008-09-12 | Chinese | |
| 第一届董事会第二十次会议决议公告 | 2008-09-12 | Chinese | |
| 独立董事关于公司改聘会计师事务所的独立意见 | 2008-09-12 | Chinese | |
| 2008年半年度财务报告 | 2008-08-22 | Chinese | |
| 第一届董事会第十九次会议决议公告 | 2008-08-22 | Chinese | |
| 第一届监事会第八次会议决议公告 | 2008-08-22 | 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 | |
|---|---|---|---|---|---|
|
2008
15 filings
| |||||
| 35096302 | 关于召开二○○八年第一次临时股东大会的通知 | 2008-09-12 | Chinese | ||
| 35096285 | 第一届董事会第二十次会议决议公告 | 2008-09-12 | Chinese | ||
| 35096274 | 独立董事关于公司改聘会计师事务所的独立意见 | 2008-09-12 | Chinese | ||
| 35096268 | 2008年半年度财务报告 | 2008-08-22 | Chinese | ||
| 35096258 | 第一届董事会第十九次会议决议公告 | 2008-08-22 | Chinese | ||
| 35096254 | 第一届监事会第八次会议决议公告 | 2008-08-22 | Chinese | ||
| 35096246 | 2008年半年度报告 | 2008-08-22 | Chinese | ||
| 35096237 | 2008年半年度报告摘要 | 2008-08-22 | Chinese | ||
| 35096228 | 独立董事关于关联方资金占用和对外担保情况的独立意见 | 2008-08-22 | Chinese | ||
| 35096223 | 投资者关系管理制度 | 2008-08-05 | Chinese | ||
| 35096216 | 第一届董事会第十八次会议决议公告 | 2008-08-05 | Chinese | ||
| 35096208 | 第一届监事会第七次会议决议公告 | 2008-08-05 | Chinese | ||
| 35096199 | 关于“加强上市公司治理专项活动”自查报告和整改计划的公告 | 2008-07-19 | Chinese | ||
| 35096189 | 关于防范大股东非经营性占用公司资金的自查自纠报告 | 2008-07-19 | Chinese | ||
| 35096176 | 关于“加强上市公司治理专项活动”的自查报告 | 2008-07-19 | 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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