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可转换公司债券部分募投项目建设完成并试生产的公告 | 2021-06-28 | 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 | 2021-06-28 | 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 | 2021-06-25 | Chinese | |
| 索通发展股份有限公司关于控股股东部分股份质押的公告 | 2021-06-18 | Chinese | |
| 北京中银律师事务所关于索通发展股份有限公司2020年股票期权与限制性股票激励计划第一期限制性股票解除限售事宜的法律意见书 | 2021-06-17 | Chinese | |
| 索通发展股份有限公司关于2020年股票期权与限制性股票激励计划首次授予的限制性股票第一期解锁暨上市的公告 | 2021-06-17 | 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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