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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 2021-04-26 Audit Report / Informat…
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
内部控制鉴证报告
Audit Report / Information Classification · 95% confidence The document is titled '内部控制审计报告' which translates to 'Internal Control Audit Report'. It references auditing standards and the responsibility of the board and auditors regarding internal control over financial reporting as of December 31, 2020. The document contains an auditor's opinion on the effectiveness of internal controls, which is typical of a standalone audit report rather than a full annual report or other filings. The length is short (675 characters), but the content is substantive and specific to an audit report on internal controls, not merely an announcement or certification. Therefore, it fits the category of Audit Report / Information (AR). FY 2020
2021-04-26 Chinese
2020年年度报告摘要
Annual Report Classification · 100% confidence The document is titled as the "2020 Annual Report Summary" of Shenzhen Tefa Information Co., Ltd. It contains detailed financial data for the year 2020, including revenue, net profit, earnings per share, and other financial indicators. It also discusses business segments, operational highlights, strategic initiatives, and changes in accounting policies. The document is comprehensive and covers the company's full-year financial performance and business overview, which aligns with the characteristics of an Annual Report (10-K). The length of the document (over 13,000 characters) and the presence of substantive financial data confirm it is the report itself, not just an announcement or summary. Therefore, the appropriate classification is Annual Report (10-K). FY 2020
2021-04-26 Chinese
董事会第七届四十三次会议决议公告
Board/Management Information Classification · 95% confidence The document is a board resolution announcement from Shenzhen Tefa Information Co., Ltd. regarding the approval of guarantees for credit applications by a subsidiary. It includes details of the board meeting, voting results, and references a related external announcement. There is no financial report, audit, or earnings data presented. The content focuses on a board decision, which fits the category of Board/Management Information (MANG). The document length is short and it is not an announcement of a report publication, so it is not RPA or RNS.
2021-04-19 Chinese
对外担保公告
Capital/Financing Update Classification · 95% confidence The document is an announcement from Shenzhen Tefa Information Co., Ltd. regarding external guarantees provided by the company for its subsidiary's bank credit applications. It includes details about the guarantee amounts, terms, the subsidiary's financial status, and board approval. The document is relatively short (2323 characters) and focuses on a specific financing-related event (providing guarantees for credit facilities). It does not contain comprehensive financial statements or detailed financial performance data. It is not an annual or interim report, audit report, or earnings release. The content fits best under Capital/Financing Update (CAP) as it relates to financing activities and guarantees provided by the company to support subsidiary funding.
2021-04-19 Chinese
2020年业绩快报
Earnings Release Classification · 95% confidence The document is titled '2020年度业绩快报' which translates to '2020 Annual Performance Express Report' or '2020 Annual Earnings Quick Report'. It contains preliminary financial data for the year 2020, including revenue, profit, net income, earnings per share, and asset information. The document explicitly states that the data is preliminary and unaudited, and that the final audited data will be disclosed in the full annual report ('年度报告'). The length of the document is 1739 characters, which is relatively short and consistent with a brief earnings release or performance summary rather than a full annual report. The document also includes a caution about investment risk due to the preliminary nature of the data. Given these factors, this document fits the definition of an Earnings Release (ER), which is an initial announcement of quarterly or periodical financial results with key highlights only, rather than a full Annual Report (10-K). FY 2020
2021-04-14 Chinese
2021年一季度业绩预告
Earnings Release Classification · 95% confidence The document is a quarterly earnings forecast for the period January 1, 2021 to March 31, 2021, indicating expected profitability and earnings per share. It explicitly states it is a performance forecast (业绩预告) and not an actual financial report. The document is short (715 characters) and includes a disclaimer that the forecast has not been audited. It also notes that actual data will be in the forthcoming quarterly report. This matches the definition of an Earnings Release (ER), which is an initial announcement of quarterly financial results or key highlights, rather than a full Interim/Quarterly Report (IR) which would contain actual financial statements. Therefore, the correct classification is Earnings Release (ER). Q1 2021
2021-04-14 Chinese

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