
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 |
|---|---|---|---|
| 《投资管理制度》修订对照表 | 2020-04-20 | Chinese | |
| 董事会第七届二十一次会议决议公告 | 2020-04-20 | Chinese | |
| 2020年度第一季度业绩预告 | 2020-04-14 | Chinese | |
| 2019年度业绩快报 | 2020-04-14 | Chinese | |
| 长城证券股份有限公司关于公司公开发行可转债申请文件反馈意见的回复(修订版) | 2020-04-02 | Chinese | |
| 关于公开发行可转债申请文件反馈意见回复(修订稿)的公告 | 2020-04-02 | 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
| |||||
| 41981932 | 《投资管理制度》修订对照表 | 2020-04-20 | Chinese | ||
| 41981921 | 董事会第七届二十一次会议决议公告 | 2020-04-20 | Chinese | ||
| 41981909 | 2020年度第一季度业绩预告 | 2020-04-14 | Chinese | ||
| 41981899 | 2019年度业绩快报 | 2020-04-14 | Chinese | ||
| 41981887 | 长城证券股份有限公司关于公司公开发行可转债申请文件反馈意见的回复(修订版) | 2020-04-02 | Chinese | ||
| 41981864 | 关于公开发行可转债申请文件反馈意见回复(修订稿)的公告 | 2020-04-02 | Chinese | ||
| 41981855 | 2020年第一季度可转债转股情况公告 | 2020-04-01 | Chinese | ||
| 41981842 | 关于公司董事辞职的公告 | 2020-03-22 | Chinese | ||
| 41981826 | 公开发行可转债申请文件反馈意见有关事项的专项说明 | 2020-03-16 | Chinese | ||
| 41981358 | 上海市锦天城律师事务所关于公司公开发行可转换公司债券的补充法律意见书(二) | 2020-03-16 | Chinese | ||
| 41981355 | 长城证券股份有限公司关于公司公开发行可转债申请文件反馈意见的回复 | 2020-03-16 | Chinese | ||
| 41981268 | 关于公司董事、高级管理人员减持计划时间过半未减持公司股份的进展公告 | 2020-03-16 | Chinese | ||
| 41981257 | 关于公开发行可转债申请文件反馈意见回复的公告 | 2020-03-16 | Chinese | ||
| 41981239 | 关于暂缓计算《中国证监会行政许可项目审查一次反馈意见通知书》回复时限的公告 | 2020-02-28 | Chinese | ||
| 41981220 | 董事会第七届十九次会议决议公告 | 2020-02-26 | 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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