
SHENZHEN SDG INFORMATION CO., LTD — Investor Relations & Filings
SHENZHEN SDG INFORMATION CO., LTD. specializes in the research, development, and manufacturing of optical communication products and smart network solutions. The company’s core portfolio includes optical fibers, indoor and outdoor optical cables, and specialized power cables such as OPGW and ADSS. Beyond physical media, it provides optical transmission equipment, data center infrastructure, and integrated solutions for smart city applications. The company serves a diverse client base across telecommunications, power utilities, and government sectors. By leveraging its expertise in optical connectivity and system integration, it supports high-speed data transmission and the deployment of intelligent infrastructure. Its operations emphasize technological innovation in optical sensing and military-civilian integration technologies to meet evolving connectivity demands.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 董事会第八届六十次会议决议公告 | 2024-03-22 | Chinese | |
| 特发信息2024年付息公告-21特信01 | 2024-03-22 | Chinese | |
| 回售结果公告-21特信01 | 2024-03-22 | Chinese | |
| 关于挂牌转让控股子公司股权事项进展暨签署《产权交易合同》的公告 | 2024-03-17 | Chinese | |
| 董事会第八届五十八次会议决议公告 | 2024-03-05 | Chinese | |
| 特发信息关于“21特信01”调整票面利率暨回售实施办法第三次提示性公告 | 2024-02-28 | Chinese |
Browse filings by year
26 years- 2026 37 filings
- 2025 112 filings
- 2024 114 filings
- 2023 152 filings
- 2022 197 filings
- 2021 198 filings
- 2020 160 filings
- 2019 120 filings
- 2018 135 filings
- 2017 88 filings
- 2016 83 filings
- 2015 177 filings
- 2014 70 filings
- 2013 62 filings
- 2012 106 filings
- 2011 67 filings
- 2010 50 filings
- 2009 47 filings
- 2008 37 filings
- 2007 40 filings
- 2006 23 filings
- 2005 46 filings
- 2004 23 filings
- 2003 30 filings
- 2002 16 filings
- 2001 2 filings
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2024
15 filings
| |||||
| 41998950 | 董事会第八届六十次会议决议公告 | 2024-03-22 | Chinese | ||
| 41998940 | 特发信息2024年付息公告-21特信01 | 2024-03-22 | Chinese | ||
| 41998894 | 回售结果公告-21特信01 | 2024-03-22 | Chinese | ||
| 41998873 | 关于挂牌转让控股子公司股权事项进展暨签署《产权交易合同》的公告 | 2024-03-17 | Chinese | ||
| 41998863 | 董事会第八届五十八次会议决议公告 | 2024-03-05 | Chinese | ||
| 41998856 | 特发信息关于“21特信01”调整票面利率暨回售实施办法第三次提示性公告 | 2024-02-28 | Chinese | ||
| 41998818 | 特发信息关于“21特信01”调整票面利率暨回售实施办法第二次提示性公告 | 2024-02-27 | Chinese | ||
| 41998755 | 特发信息关于“21特信01”调整票面利率暨回售实施办法第一次提示性公告 | 2024-02-26 | Chinese | ||
| 41998554 | 国信证券股份有限公司关于深圳市特发信息股份有限公司2023年预计亏损及被评级列入关注事项之临时受托管理事务报告 | 2024-02-07 | Chinese | ||
| 41998542 | 股票交易异常波动公告 | 2024-02-01 | Chinese | ||
| 41998532 | 中证鹏元关于关注深圳市特发信息股份有限公司2023年年度业绩预告净利润亏损的公告 | 2024-02-01 | Chinese | ||
| 41998499 | 四川华拓光通信股份有限公司2022年度审计报告 | 2024-01-31 | Chinese | ||
| 41997983 | 四川华拓光通信股份有限公司资产评估报告 | 2024-01-31 | Chinese | ||
| 41997632 | 关于挂牌转让控股子公司股权的公告 | 2024-01-31 | Chinese | ||
| 41997599 | 四川华拓光通信股份有限公司专项审计报告 | 2024-01-31 | Chinese | ||
Market data
Market data not available
Price history
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SHENZHEN SDG INFORMATION 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/53591/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=53591 | 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=53591 | 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=53591 \ -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": 53591}, 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 SHENZHEN SDG INFORMATION CO., LTD (id: 53591)"
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