由于原保荐代表人夏韬因工作变动，无法继续从事对公司的持续督导工作。 为保证持续督导工作的有序进行，国泰海通现委派保荐代表人吕晓伟（简历详见 附件）接替夏韬继续履行持续督导工作。 证券代码：300597 证券简称：吉大通信 公告编号：2025-044 吉林吉大通信设计院股份有限公司 关于更换持续督导保荐代表人的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 吉林吉大通信设计院股份有限公司（以下简称"公司"）于近日收到国泰海 通证券股份有限公司（以下简称"国泰海通"）出具的《关于更换吉林吉大通信 设计院股份有限公司持续督导保荐代表人的函》。国泰海通作为公司向特定对象 发行股票项目的保荐机构，指定韩节高、夏韬为公司向特定对象发行股票项目保 荐代表人，负责保荐工作及持续督导工作，持续督导期已于 2024 年 12 月 31 日 届满。但截至目前，公司募集资金尚未使用完毕，根据相关规定，国泰海通对此 未尽事项继续履行持续督导义务。 本次保荐代表人变更后，公司向特定对象发行股票项目持续督导保荐代表人 为韩节高、吕晓伟。 特此公告。 吉林吉大通信设计院股份有限公司 董 ...

Market Overview - The communication services sector experienced a slight decline of 0.09% on November 12, with Zhongbei Communication leading the drop [1] - The Shanghai Composite Index closed at 4000.14, down 0.07%, while the Shenzhen Component Index closed at 13240.62, down 0.36% [1] Stock Performance - Notable gainers in the communication services sector included: - Online and Offline (code: 6660008) with a closing price of 154.12, up 7.03% and a trading volume of 127,100 shares, totaling 1.927 billion yuan [1] - Sanwei Communication (code: 002115) closed at 12.12, up 4.12% with a trading volume of 1.3922 million shares, totaling 1.649 billion yuan [1] - Major decliners included: - Zhongbei Communication (code: 603220) closed at 23.43, down 3.42% with a trading volume of 138,800 shares, totaling 326 million yuan [2] - Jialin Technology (code: 603206) closed at 16.00, down 2.91% with a trading volume of 47,400 shares, totaling 76.815 million yuan [2] Capital Flow - The communication services sector saw a net outflow of 556 million yuan from institutional investors, while retail investors contributed a net inflow of 435 million yuan [2][3] - Key stocks with significant capital flow included: - Sanwei Communication had a net inflow of 15.3 million yuan from institutional investors, but a net outflow of 76.58 million yuan from retail investors [3] - China Mobile experienced a net inflow of 13.7 million yuan from institutional investors, with a net outflow of 99.74 million yuan from retail investors [3]

Group 1 - The core point of the article is that Jida Communication has reported the number of holders of combined ordinary accounts and margin trading credit accounts as of November 10, 2025, which stands at 19,905 [2]

Core Viewpoint - Jida Communication announced on November 6 that it will strictly adhere to relevant regulations for timely disclosure of any merger, acquisition, or strategic cooperation plans [2] Group 1 - The company confirmed its commitment to transparency regarding potential mergers and acquisitions [2] - Jida Communication emphasized the importance of following regulatory requirements in its disclosure practices [2]

Core Viewpoint - The company, Jida Communication, is actively pursuing innovation and expansion in emerging business areas while maintaining its core communication design and construction services [1] Group 1: Technological Focus - The company is closely monitoring advancements in AI, big data, and the Internet of Things, aiming to integrate these technologies into its business operations [1] - Continuous efforts are being made to promote technological innovation and the deep integration of business scenarios [1] Group 2: New Strategic Directions - Jida Communication is focusing on new strategic areas such as smart canteens, data resource management, industrial digital transformation services, and energy informationization [1] - The company is increasing resource investment to expand into these emerging business fields [1] Group 3: Talent Development - The company has established Huahong Academy to provide high-quality talent that meets its needs and to promote core values and concepts internally and externally [1] - A combination of internal training and external recruitment has led to the formation of a well-structured, capable, and high-level professional technical team [1]

Core Viewpoint - Jida Communication (300597) emphasizes its commitment to closely monitor the development trends of cutting-edge technologies in the communication sector and to prepare relevant technological reserves and research accordingly [1] Company Summary - The company has announced its ongoing focus on the advancements in communication technologies and intends to align its research and development efforts with these trends [1]

Core Viewpoint - The communication design and construction industry is experiencing increasing competition, leading to a decline in the bid discount rates for major clients' projects [1] Group 1: Industry Insights - The competition in the communication design and construction industry is intensifying, which is the primary reason for the decrease in bid discount rates for major clients' projects [1] - Despite the fierce market competition, the company has maintained a relatively stable volume of business in securing orders from major clients [1] Group 2: Company Strategy - The company will continue to actively respond to market changes and strive to improve operational efficiency and profitability [1]

Core Viewpoint - Jida Communication (300597) emphasizes its commitment to top-level design in information technology, positioning itself at the upstream of the industry value chain, which allows it to leverage its technical advantages in project procurement and construction phases [1] Group 1: Company Strategy - The company asserts that design is the starting point for all engineering projects, enabling it to directly coordinate various aspects of projects during the design process [1] - This approach is beneficial in shortening project cycles and reducing costs associated with engineering projects [1] Group 2: Competitive Advantage - Jida Communication possesses inherent technical advantages as it transitions towards general contracting and comprehensive consulting services [1]

Core Viewpoint - The company is actively integrating AI technology with real-world applications, aligning with national policies to enhance industrial upgrades through AI and data technologies [1] Group 1: AI Integration and Applications - The company is advancing the deep integration of AI technology with various sectors, including smart canteens, government information systems, smart cities, and energy information systems [1] - The company aims to empower key areas such as sports events, urban governance, and cultural tourism with AI technology [1] Group 2: Business Strategy and Investment - The company plans to increase investment in business and research and development to accelerate the application of AI technologies [1] - The focus is on enhancing profitability and market competitiveness through these strategic initiatives [1]

Core Viewpoint - The company emphasizes its commitment to protecting the interests of small and medium-sized investors while adhering to legal regulations and ensuring that all major decisions prioritize the interests of the company and all shareholders [1] Group 1 - The company has announced measures to enhance its investment return mechanism and safeguard the legal rights of small and medium-sized investors [1] - The company is focused on improving its profitability and strengthening its ability to provide sustainable returns [1]