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 |
|---|---|---|---|
| 董事会秘书工作制度（2025年9月） | 2025-09-29 | Chinese | |
| 总经理工作细则（2025年9月） | 2025-09-29 | Chinese | |
| 董事会审计委员会工作条例（2025年9月） | 2025-09-29 | Chinese | |
| 董事会议事规则（2025年9月） | 2025-09-29 | Chinese | |
| 公司章程（2025年9月） | 2025-09-29 | Chinese | |
| 内幕信息知情人登记管理制度（2025年9月） | 2025-09-29 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 35110246 | 董事会秘书工作制度（2025年9月） | 2025-09-29 | Chinese | ||
| 35110236 | 总经理工作细则（2025年9月） | 2025-09-29 | Chinese | ||
| 35110235 | 董事会审计委员会工作条例（2025年9月） | 2025-09-29 | Chinese | ||
| 35110224 | 董事会议事规则（2025年9月） | 2025-09-29 | Chinese | ||
| 35110216 | 公司章程（2025年9月） | 2025-09-29 | Chinese | ||
| 35110201 | 内幕信息知情人登记管理制度（2025年9月） | 2025-09-29 | Chinese | ||
| 35110194 | 董事、高级管理人员所持公司股份及其变动管理制度（2025年9月） | 2025-09-29 | Chinese | ||
| 35110185 | 董事会战略委员会工作条例（2025年9月） | 2025-09-29 | Chinese | ||
| 35110179 | 董事会薪酬与考核委员会工作条例（2025年9月） | 2025-09-29 | Chinese | ||
| 35110166 | 董事会提名委员会工作条例（2025年9月） | 2025-09-29 | Chinese | ||
| 35110161 | 股东会议事规则（2025年9月） | 2025-09-29 | Chinese | ||
| 35110152 | 第七届董事会第七次会议决议公告 | 2025-09-29 | Chinese | ||
| 35110146 | 内部审计制度（2025年9月） | 2025-09-29 | Chinese | ||
| 35110138 | 投资者关系管理制度（2025年9月） | 2025-09-29 | Chinese | ||
| 35110130 | 关联交易管理制度（2025年9月） | 2025-09-29 | Chinese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of optical instruments and photographic equipment
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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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