SUNSTONE DEVELOPMENT CO., LTD — Investor Relations & Filings
Sunstone Development Co., Ltd. specializes in the research, development, and manufacturing of carbon materials, primarily serving the global primary aluminum industry. The company is a leading producer of pre-baked carbon anodes, which are essential components in the electrolytic reduction process of aluminum smelting. Its product portfolio includes high-quality pre-baked anodes, cathode blocks, and specialized carbon materials designed to enhance energy efficiency and reduce environmental impact. Sunstone operates large-scale production facilities and emphasizes technological innovation to meet international quality standards. The company provides integrated solutions for aluminum smelters, focusing on optimizing the performance and longevity of carbon products in high-temperature industrial environments.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 索通发展股份有限公司关于非公开发行股票申请获得中国证监会发审委审核通过的公告 | 2021-04-19 | Chinese | |
| 索通发展股份有限公司关于为控股子公司提供担保的公告 | 2021-04-14 | Chinese | |
| 索通发展股份有限公司关于为控股子公司提供担保的公告 | 2021-04-13 | Chinese | |
| 索通发展股份有限公司与方正证券承销保荐有限责任公司关于索通发展股份有限公司非公开发行股票发审委会议准备工作告知函的回复 | 2021-04-08 | Chinese | |
| 索通发展股份有限公司关于非公开发行股票发审委会议准备工作告知函回复的公告 | 2021-04-08 | Chinese | |
| 索通发展股份有限公司关于非公开发行股票摊薄即期回报、采取填补措施及相关主体承诺（修订稿）的公告 | 2021-04-06 | Chinese |
Browse filings by year
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Price history
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SUNSTONE DEVELOPMENT CO., LTD 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/57736/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=57736 | 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=57736 | 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=57736 \ -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": 57736}, 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 SUNSTONE DEVELOPMENT CO., LTD (id: 57736)"
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