
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 |
|---|---|---|---|
| 关于监事会换届选举的公告 | 2024-10-11 | Chinese | |
| 关于董事会换届选举的公告 | 2024-10-11 | Chinese | |
| 上市公司独立董事候选人声明与承诺-周俊 | 2024-10-11 | Chinese | |
| 上市公司独立董事提名人声明与承诺-简基松 | 2024-10-11 | Chinese | |
| 股票交易异常波动公告 | 2024-10-08 | Chinese | |
| 关于子公司提起诉讼的公告 | 2024-10-08 | 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
| |||||
| 42000866 | 关于监事会换届选举的公告 | 2024-10-11 | Chinese | ||
| 42000853 | 关于董事会换届选举的公告 | 2024-10-11 | Chinese | ||
| 42000844 | 上市公司独立董事候选人声明与承诺-周俊 | 2024-10-11 | Chinese | ||
| 42000829 | 上市公司独立董事提名人声明与承诺-简基松 | 2024-10-11 | Chinese | ||
| 42000818 | 股票交易异常波动公告 | 2024-10-08 | Chinese | ||
| 42000809 | 关于子公司提起诉讼的公告 | 2024-10-08 | Chinese | ||
| 42000802 | 深圳市特发信息股份有限公司关于“21特信03”调整票面利率暨回售实施办法第三次提示性公告 | 2024-09-11 | Chinese | ||
| 42000774 | 深圳市特发信息股份有限公司关于“21特信03”调整票面利率暨回售实施办法第二次提示性公告 | 2024-09-10 | Chinese | ||
| 42000709 | 深圳市特发信息股份有限公司关于“21特信03”调整票面利率暨回售实施办法第一次提示性公告 | 2024-09-09 | Chinese | ||
| 42000650 | 半年度非经营性资金占用及其他关联资金往来情况汇总表 | 2024-08-23 | Chinese | ||
| 42000638 | 2024年半年度报告 | 2024-08-23 | Chinese | ||
| 42000637 | 2024年半年度财务报告 | 2024-08-23 | Chinese | ||
| 42000566 | 2024年半年度报告摘要 | 2024-08-23 | Chinese | ||
| 42000552 | 2024年半年度业绩预告 | 2024-07-12 | Chinese | ||
| 42000542 | 关于2021年面向专业投资者公开发行公司债券(第二期)相关评级调整的公告 | 2024-07-09 | 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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