
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 |
|---|---|---|---|
| 长城证券股份有限公司关于公司部分募集资金投资项目延期事项的核查意见 | 2020-12-30 | Chinese | |
| 关于部分募集资金投资项目延期的公告 | 2020-12-30 | Chinese | |
| 独立董事关于董事会第七届三十七次会议相关事项的独立意见 | 2020-12-30 | Chinese | |
| 监事会第七届十五次会议决议公告 | 2020-12-30 | Chinese | |
| 董事会第七届三十七次会议决议公告 | 2020-12-30 | Chinese | |
| 公司章程 | 2020-12-30 | 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 | |
|---|---|---|---|---|---|
|
2020
15 filings
| |||||
| 41985196 | 长城证券股份有限公司关于公司部分募集资金投资项目延期事项的核查意见 | 2020-12-30 | Chinese | ||
| 41985183 | 关于部分募集资金投资项目延期的公告 | 2020-12-30 | Chinese | ||
| 41985165 | 独立董事关于董事会第七届三十七次会议相关事项的独立意见 | 2020-12-30 | Chinese | ||
| 41985146 | 监事会第七届十五次会议决议公告 | 2020-12-30 | Chinese | ||
| 41985137 | 董事会第七届三十七次会议决议公告 | 2020-12-30 | Chinese | ||
| 41985117 | 公司章程 | 2020-12-30 | Chinese | ||
| 41985094 | 关于控股子公司签订重要协议的公告 | 2020-12-16 | Chinese | ||
| 41985080 | 关于签订重大合同的公告 | 2020-12-04 | Chinese | ||
| 41985071 | 关于参加2020深圳辖区“诚实守信,做受尊重的上市公司”上市公司投资者网上集体接待日活动的公告 | 2020-12-03 | Chinese | ||
| 41985060 | 董事会第七届三十六次会议决议公告 | 2020-11-18 | Chinese | ||
| 41985051 | 可转换公司债券“特发转债”2020年付息公告 | 2020-11-10 | Chinese | ||
| 41985047 | 关于公司收到中标通知书的公告 | 2020-11-04 | Chinese | ||
| 41985036 | 关于公司参与项目公示中标结果的公告 | 2020-10-29 | Chinese | ||
| 41985022 | 内幕信息知情人登记制度 | 2020-10-28 | Chinese | ||
| 41985007 | 2020年第三季度报告全文 | 2020-10-28 | 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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