SUNSTONE DEVELOPMENT CO., LTD — Investor Relations & Filings
About SUNSTONE DEVELOPMENT CO., LTD
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董事会换届选举的公告 | 2026-01-23 | Chinese | |
| 索通发展股份有限公司关于2025年12月份提供担保的公告 | 2025-12-30 | Chinese | |
| 索通发展股份有限公司关于上海证券交易所对公司境外投资相关董事会决议存在弃权票的监管工作函的回复公告 | 2025-12-18 | Chinese | |
| 索通发展股份有限公司关于变更签字注册会计师的公告 | 2025-12-16 | Chinese | |
| 索通发展股份有限公司关于对外投资暨与阿联酋环球铝业公司（EGA）签署合资协议的公告 | 2025-12-15 | Chinese | |
| 索通发展股份有限公司第五届董事会第二十四次会议决议公告 | 2025-12-15 | Chinese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
1 filing
| |||||
| 37227416 | 索通发展股份有限公司关于董事会换届选举的公告 | 2026-01-23 | Chinese | ||
|
2025
14 filings
| |||||
| 37227415 | 索通发展股份有限公司关于2025年12月份提供担保的公告 | 2025-12-30 | Chinese | ||
| 37227405 | 索通发展股份有限公司关于上海证券交易所对公司境外投资相关董事会决议存在弃权票的监管工作函的回复公告 | 2025-12-18 | Chinese | ||
| 37227396 | 索通发展股份有限公司关于变更签字注册会计师的公告 | 2025-12-16 | Chinese | ||
| 37227390 | 索通发展股份有限公司关于对外投资暨与阿联酋环球铝业公司（EGA）签署合资协议的公告 | 2025-12-15 | Chinese | ||
| 37227379 | 索通发展股份有限公司第五届董事会第二十四次会议决议公告 | 2025-12-15 | Chinese | ||
| 37227376 | 索通发展股份有限公司股东减持股份结果公告 | 2025-12-09 | Chinese | ||
| 37227369 | 索通发展股份有限公司关于收到《经营者集中反垄断审查不实施进一步审查决定书》的公告 | 2025-12-03 | Chinese | ||
| 37227360 | 索通发展股份有限公司关于2025年11月份提供担保的公告 | 2025-11-27 | Chinese | ||
| 37227353 | 索通发展股份有限公司关于参与投资股权投资基金的进展公告 | 2025-11-26 | Chinese | ||
| 37227343 | 索通发展股份有限公司关于召开2025年第三季度业绩说明会的公告 | 2025-11-19 | Chinese | ||
| 37227341 | 索通发展股份有限公司关于股东部分股份解除质押的公告 | 2025-11-18 | Chinese | ||
| 37227333 | 索通发展股份有限公司关于股东部分股份解除质押的公告 | 2025-11-10 | Chinese | ||
| 37227330 | 索通发展股份有限公司董事、高管减持股份计划公告 | 2025-11-10 | Chinese | ||
| 37227324 | 索通发展股份有限公司章程（工商备案版） | 2025-11-05 | Chinese | ||
Market data
Market data not available
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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