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Jilin Jlu Communication Design Institute Co., Ltd — Investor Relations & Filings

Ticker · 300597 ISIN · CNE100002MP4 Shenzhen Stock Exchange Telecommunications, computer programming, consultancy, computing infrastructure, and other information service activities
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Filings indexed 1,170 across all filing types
Latest filing 2026-05-20 Regulatory Filings
Country CN China
Listing Shenzhen Stock Exchange 300597

About Jilin Jlu Communication Design Institute Co., Ltd

https://www.jlucdi.com

Jilin Jlu Communication Design Institute Co., Ltd. is a professional technical service provider specializing in telecommunications network planning, design, and consulting. The company offers comprehensive solutions for communication infrastructure, including wireless network design, transmission system engineering, and core network optimization. Its service portfolio extends to information system integration, smart city development, and technical support for large-scale telecommunications operators. Leveraging advanced engineering methodologies and technical expertise, the institute provides end-to-end services from initial site survey and feasibility studies to detailed engineering design and project management. The company focuses on the deployment of next-generation communication technologies, such as 5G and optical fiber networks, ensuring high-performance connectivity and robust network architecture for its clients.

Recent filings

Filing Released Lang Actions
上海精诚磐明律师事务所关于吉林吉大通信设计院股份有限公司2025年度股东会的法律意见书
Regulatory Filings Classification · 30% confidence The document is a standalone legal opinion letter issued by external counsel (Brightstone Lawyers) regarding the convening, procedure, and voting results of the company’s 2025 annual shareholders’ meeting. It does not itself present financial statements (so it’s not an Annual or Interim Report), nor is it a simple notice of publication or a proxy solicitation packet. It’s not a lawsuit or regulatory enforcement notice (so not LTR), and although it includes vote tallies, its primary purpose is a legal compliance opinion rather than a straight voting result announcement. There is no more specific category for legal opinions, so by the fallback rule it should be classified under Regulatory Filings (RNS).
2026-05-20 Chinese
吉大通信2025年度股东会决议公告
Declaration of Voting Results & Voting Rights Announcements Classification · 92% confidence The document is titled “2025年度股东会决议公告” and details each proposal voted on at the Annual General Meeting, including the vote counts (for, against, abstain) and resolutions passed. This matches the definition of “Declaration of Voting Results & Voting Rights Announcements (DVA)” as it is the official announcement of shareholder vote results from an AGM.
2026-05-20 Chinese
吉大通信关于举办2025年度业绩网上说明会的公告
Investor Presentation Classification · 95% confidence The document is an announcement about hosting an online performance explanation meeting (业绩说明会) for the fiscal year 2025. It mentions the date and platform for the event and invites investors to participate. The document does not contain actual financial statements or detailed financial data but rather informs about an upcoming investor presentation event. This fits the definition of an Investor Presentation (IP) as it focuses on financials, strategy, and market position communicated to investors. The document length is short and it is not a report publication announcement or certification. Therefore, the correct classification is Investor Presentation (IP).
2026-05-08 Chinese
关于“质量回报双提升”行动方案的公告
Regulatory Filings Classification · 72% confidence The document is a formal “公告” by the issuer describing a strategic “quality and returns improvement” action plan including business strategy, R&D, governance upgrades, disclosure enhancements, and shareholder return mechanisms. It is not an earnings release (no financial results), not a dividend notice, share issuance, M&A, or regulatory form. It’s not a presentation or proxy solicitation. It is a general corporate announcement that does not fit any specific category, so under our taxonomy it falls into the fallback “Regulatory Filings” category (RNS).
2026-04-28 Chinese
吉大通信2025年度内部控制评价报告
Audit Report / Information Classification · 95% confidence The document is titled '吉林吉大通信设计院股份有限公司 2025 年度内部控制评价报告' which translates to 'Internal Control Evaluation Report for the year 2025'. It is a detailed report on the company's internal control evaluation, covering governance, organizational structure, financial reporting controls, audit activities, and internal control deficiencies. The document includes detailed descriptions of internal control systems, evaluation criteria, and conclusions about the effectiveness of internal controls. It is not an announcement or a brief summary but a full report on internal control evaluation. This type of document fits the category of an Audit Report / Information (AR), as it focuses on internal control evaluation and audit-related information rather than a full annual report or other categories. The document length (8417 characters) supports it being a substantive report rather than a short announcement or certification. Therefore, the appropriate classification is AR with high confidence. FY 2025
2026-04-28 Chinese
审计委员会对会计师事务所履行监督职责情况的报告
Audit Report / Information Classification · 85% confidence The document is a substantive report issued by the company’s Board Audit Committee detailing its oversight and evaluation of the external auditor’s performance during the 2025 audit period. It does not present full annual financial statements or constitute an earnings release, nor is it merely an announcement of a forthcoming report. Rather, it is an audit oversight report separate from the full annual report, fitting the definition of a standalone audit-related document. This aligns with the category "Audit Report / Information". FY 2025
2026-04-28 Chinese

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