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 |
|---|---|---|---|
| 内幕信息知情人登记管理制度（2011年11月） | 2011-11-25 | Chinese | |
| 2011年第三季度报告全文 | 2011-10-22 | Chinese | |
| 2011年第三季度报告正文 | 2011-10-22 | Chinese | |
| 关于归还用于暂时补充流动资金的募集资金的公告 | 2011-10-20 | Chinese | |
| 关于与控股股东共同对外投资的关联交易公告 | 2011-09-20 | Chinese | |
| 中小企业板上市公司内部控制规则落实情况自查表 | 2011-09-20 | 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 | |
|---|---|---|---|---|---|
|
2011
15 filings
| |||||
| 35098712 | 内幕信息知情人登记管理制度（2011年11月） | 2011-11-25 | Chinese | ||
| 35098702 | 2011年第三季度报告全文 | 2011-10-22 | Chinese | ||
| 35098688 | 2011年第三季度报告正文 | 2011-10-22 | Chinese | ||
| 35098678 | 关于归还用于暂时补充流动资金的募集资金的公告 | 2011-10-20 | Chinese | ||
| 35098672 | 关于与控股股东共同对外投资的关联交易公告 | 2011-09-20 | Chinese | ||
| 35098664 | 中小企业板上市公司内部控制规则落实情况自查表 | 2011-09-20 | Chinese | ||
| 35098651 | 第二届董事会第十六次会议决议公告 | 2011-09-20 | Chinese | ||
| 35098640 | 独立董事关于公司与控股股东共同对外投资关联交易的独立意见 | 2011-09-20 | Chinese | ||
| 35098632 | 招商证券股份有限公司关于公司内部控制规则落实情况的核查意见 | 2011-09-20 | Chinese | ||
| 35098620 | 2011年半年度报告摘要 | 2011-08-09 | Chinese | ||
| 35098599 | 独立董事关于2011年半年度对外担保和关联方资金占用的独立意见 | 2011-08-09 | Chinese | ||
| 35098590 | 2011年半年度报告 | 2011-08-09 | Chinese | ||
| 35098553 | 2011年半年度财务报告 | 2011-08-09 | Chinese | ||
| 35098474 | 关于控股股东部分股份划转至全国社保基金的提示性公告 | 2011-08-03 | Chinese | ||
| 35098463 | 第二届董事会第十四次会议决议公告 | 2011-06-30 | 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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