
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 |
|---|---|---|---|
| 独立董事关于第八届董事会第二十一次会议有关事项的独立意见 | 2022-05-18 | Chinese | |
| 深圳市特发信息股份有限公司第一期员工持股计划(修订稿)摘要 | 2022-05-18 | Chinese | |
| 董事会第八届二十一次会议决议公告 | 2022-05-18 | Chinese | |
| 监事会第八届七次会议决议公告 | 2022-05-18 | Chinese | |
| 深圳市特发信息股份有限公司第一期员工持股计划管理办法(修订稿) | 2022-05-18 | Chinese | |
| 深圳市特发信息股份有限公司第一期员工持股计划(修订稿) | 2022-05-18 | 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 | |
|---|---|---|---|---|---|
|
2022
15 filings
| |||||
| 41990907 | 独立董事关于第八届董事会第二十一次会议有关事项的独立意见 | 2022-05-18 | Chinese | ||
| 41990895 | 深圳市特发信息股份有限公司第一期员工持股计划(修订稿)摘要 | 2022-05-18 | Chinese | ||
| 41990880 | 董事会第八届二十一次会议决议公告 | 2022-05-18 | Chinese | ||
| 41990871 | 监事会第八届七次会议决议公告 | 2022-05-18 | Chinese | ||
| 41990858 | 深圳市特发信息股份有限公司第一期员工持股计划管理办法(修订稿) | 2022-05-18 | Chinese | ||
| 41990856 | 深圳市特发信息股份有限公司第一期员工持股计划(修订稿) | 2022-05-18 | Chinese | ||
| 41990838 | 关于《长城证券股份有限公司关于深圳市特发信息股份有限公司公开发行可转换公司债券之保荐工作总结报告书》的更正公告 | 2022-05-13 | Chinese | ||
| 41990823 | 长城证券股份有限公司关于深圳市特发信息股份有限公司公开发行可转换公司债券之保荐工作总结报告书(更新后) | 2022-05-13 | Chinese | ||
| 41990809 | 2022年第一次临时股东大会决议公告 | 2022-05-12 | Chinese | ||
| 41990798 | 2022年第一次临时股东大会法律意见书 | 2022-05-12 | Chinese | ||
| 41990783 | 长城证券股份有限公司关于深圳市特发信息股份有限公司公开发行可转换公司债券之保荐工作总结报告书(已取消) | 2022-05-10 | Chinese | ||
| 41990773 | 关于回购股份事项前十大股东持股情况的公告 | 2022-05-10 | Chinese | ||
| 41990759 | 关于召开 2022 年第一次临时股东大会通知的更正公告 | 2022-05-09 | Chinese | ||
| 41990747 | 关于召开2022年第一次临时股东大会通知的公告(更新后) | 2022-05-09 | Chinese | ||
| 41990734 | 关于回购股份事项前十大股东持股情况的公告 | 2022-05-09 | 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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