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SHENZHEN SDG INFORMATION CO., LTD — Investor Relations & Filings

Ticker · 000070 ISIN · CNE000001238 Shenzhen Stock Exchange Manufacturing
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Filings indexed 2,192 across all filing types
Latest filing 2025-09-22 Proxy Solicitation & In…
Country CN China
Listing Shenzhen Stock Exchange 000070

About SHENZHEN SDG INFORMATION CO., LTD

https://www.sdgi.com.cn

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
关于召开2025年第二次临时股东会的通知
Proxy Solicitation & Information Statement Classification · 95% confidence The document is a detailed notice about convening the 2025 second extraordinary general meeting (临时股东会) of Shenzhen Tefa Information Co., Ltd. It includes information about the meeting date, voting procedures (both onsite and online), proposals to be voted on, registration details, and proxy forms. There is no financial data or results reported, nor is it a transcript or presentation. It is a formal announcement to shareholders about the meeting and how to participate and vote. This fits the definition of a Proxy Solicitation & Information Statement (PSI), which are materials sent to shareholders to provide information and request votes for meetings. The document length is about 4,534 characters, which is consistent with a detailed meeting notice rather than a full report or results announcement.
2025-09-22 Chinese
特发信息证券投资管理制度（2025年9月）
Governance Information Classification · 95% confidence The document is titled '证券投资管理制度' which translates to 'Securities Investment Management System' and details internal management rules, responsibilities, authorization, operational procedures, supervision, and accountability related to securities investment activities of the company. It is a governance or internal control document rather than a financial report, announcement, or regulatory filing. It does not contain financial statements, earnings data, voting results, or legal proceedings. It is a policy or governance framework document. Therefore, the most appropriate classification is Governance Information (CGR). The document length is 3794 characters, which is not extremely short, and it contains substantive internal governance content rather than a mere announcement or certification.
2025-09-22 Chinese
特发信息内幕信息知情人登记制度（2025年9月）
Governance Information Classification · 95% confidence The document is a detailed internal policy document titled '内幕信息知情人登记制度' (Insider Information Insider Registration System) for Shenzhen Special Information Co., Ltd. It outlines the company's procedures and responsibilities regarding the management, confidentiality, and registration of insider information and insider persons. It includes references to regulatory compliance, internal controls, and confidentiality obligations, but does not contain financial statements, earnings data, or shareholder meeting results. It is not an announcement or a report of financial results, nor is it a regulatory filing or certification. The content is focused on governance and internal control practices related to insider information management, which aligns with Governance Information filings.
2025-09-22 Chinese
特发信息会计师事务所选聘制度（2025年9月）
Audit Report / Information Classification · 95% confidence The document is a detailed internal policy document from Shenzhen Special Information Co., Ltd. regarding the selection and appointment procedures for accounting firms to conduct annual audit work. It outlines the qualifications, procedures, supervisory responsibilities, and rules for appointing and replacing auditors. There is no actual audit report, financial statements, or audit results presented. Instead, it is a governance and procedural document related to audit firm selection and oversight. This fits best under 'Audit Report / Information (AR)' as it pertains to audit-related policies and procedures but is not a full annual report or audit report itself. The document length is 3237 characters, which is substantive and not a mere announcement or certification. Therefore, the classification is AR with high confidence.
2025-09-22 Chinese
特发信息关联交易决策制度（2025年9月）
Governance Information Classification · 95% confidence The document is titled '关联交易决策制度' which translates to 'Related Party Transaction Decision System'. It outlines the company's internal policies and procedures regarding related party transactions, including definitions, principles, disclosure requirements, and asset protection measures. There is no indication that this is a financial report, audit report, or regulatory filing. It is a governance-related document detailing internal rules and governance practices concerning related party transactions. Therefore, it fits best under Governance Information (CGR). The document length (6992 characters) and content confirm it is a detailed policy document rather than an announcement or a brief summary.
2025-09-22 Chinese
特发信息股东会议事规则（2025年9月）
Governance Information Classification · 95% confidence The document is titled "股东会议事规则" which translates to "Rules of Procedure for Shareholders' Meetings" for Shenzhen Special Information Co., Ltd. It details the procedures, rules, and regulations governing the convening, proposal submission, notification, and conduct of shareholders' meetings. It references relevant laws such as the Company Law and Securities Law, and covers topics like meeting types (annual and extraordinary), voting procedures, proposal handling, and legal compliance. There is no financial data, earnings information, or report content. Instead, it is a governance document outlining internal rules and procedures for shareholder meetings. Therefore, the document fits best under Governance Information (CGR). The document length (7852 characters) and detailed procedural content support this classification with high confidence.
2025-09-22 Chinese

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