Group 1 - The core viewpoint of the news is that Changlan Technology's stock has experienced fluctuations, with a recent decline in share price and mixed financial performance indicators [1][2]. - As of January 6, Changlan Technology's stock price was 18.25 yuan per share, with a market capitalization of 3.524 billion yuan and a trading volume of 117 million yuan [1]. - The company has seen a net outflow of main funds amounting to 8.5821 million yuan, with significant selling pressure from large orders [1]. Group 2 - For the period from January to September 2025, Changlan Technology reported a revenue of 1.031 billion yuan, reflecting a year-on-year growth of 32.21% [2]. - However, the net profit attributable to shareholders decreased by 39.86%, amounting to 33.4478 million yuan [2]. - The number of shareholders increased by 23.26% to 21,900, while the average circulating shares per person decreased by 18.87% to 6,308 shares [2]. Group 3 - Since its A-share listing, Changlan Technology has distributed a total of 292 million yuan in dividends, with 112 million yuan distributed over the past three years [3].

登录新浪财经APP 搜索【信披】查看更多考评等级 长缆科技集团股份有限公司（以下简称"长缆科技"）于近日披露了回购股份集中竞价减持进展公告。公 告显示，截至2025年12月31日，公司此前计划的已回购股份减持尚未实施。 减持计划背景 本次公告显示，截至2025年12月31日，长缆科技尚未减持任何已回购股份。 风险提示：存在多重不确定性 长缆科技在公告中提示，本次减持已回购股份计划实施存在不确定风险。公司将根据市场情况、公司股 价等具体情形决定是否实施及如何实施股份减持计划，因此该计划在减持时间、数量、价格等方面均存 在不确定性。 公司表示，将在减持期间内严格按照相关规定及时履行信息披露义务，敬请广大投资者注意投资风险。 声明：市场有风险，投资需谨慎。 本文为AI大模型基于第三方数据库自动发布，任何在本文出现的信 息（包括但不限于个股、评论、预测、图表、指标、理论、任何形式的表述等）均只作为参考，不构成 个人投资建议。受限于第三方数据库质量等问题，我们无法对数据的真实性及完整性进行分辨或核验， 因此本文内容可能出现不准确、不完整、误导性的内容或信息，具体以公司公告为准。如有疑问，请联 系biz@staff.si ...

Core Viewpoint - The company plans to reduce its repurchased shares through a centralized bidding process, with a maximum of 3,862,152 shares, representing up to 2% of the total share capital [1] Group 1 - The company announced the approval of the share reduction plan on October 27, 2025 [1] - The reduction will take place within six months after the announcement, starting 15 trading days post-announcement [1] - As of December 31, 2025, the company has not yet executed the share reduction [1] Group 2 - The share reduction is subject to uncertainty, and the company will disclose updates as required by regulations [1]

关于回购股份集中竞价减持进展的公告 本公司及全体董事会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。 证券代码：002879 证券简称：长缆科技 公告编号：2026-001 长缆科技集团股份有限公司 截至 2025 年 12 月 31 日，公司尚未减持已回购股份。 二、风险提示 本次减持公司已回购股份计划实施存在不确定风险，公司将根据市场情况、 公司股价等具体情形决定实施对应股份减持计划，对应减持计划存在减持时间、 数量、价格的不确定性。 公司将在减持期间内，严格按照《深圳证券交易所上市公司自律监管指引第 9 号——回购股份》等有关规定，及时履行信息披露义务。敬请广大投资者注意 投资风险。 特此公告。 长缆科技集团股份有限公司董事会 2026 年 1 月 5 日 长缆科技集团股份有限公司（以下简称"公司"）于 2025 年 10 月 27 日召开 了第五届董事会第十四次会议，审议通过了《关于减持公司已回购股份的议案》， 根据公司于 2024 年 2 月 8 日披露的《回购股份报告书》之用途约定，同意公司 通过集中竞价交易方式减持已回购股份，实施期限为自发布减持公告之日起 15 ...

Market Overview - As of December 30, the Shanghai Composite Index closed at 3965.1159 points, unchanged at 0% [1] - The Shenzhen Component Index rose by 0.49%, closing at 13604.067 points [1] Top Gainers in Hunan Stocks - *ST Zhanggu opened at 7.570 and closed at 7.570, with a gain of 4.99% [2] - *ST Gaosi opened at 8.230 and closed at 8.550, with a gain of 4.14% [2] - Mengjie Co., Ltd. opened at 3.910 and closed at 4.030, with a gain of 2.81% [2] - Keli'er opened at 13.390 and closed at 13.610, with a gain of 2.48% [2] - Changlan Technology opened at 18.310 and closed at 18.890, with a gain of 1.94% [2] Top Losers in Hunan Stocks - Hengli Tui opened at 0.160 and closed at 0.150, with a loss of 11.76% [3] - Dianguang Media opened at 11.580 and closed at 10.350, with a loss of 10.00% [3] - Boyun New Materials opened at 12.050 and closed at 11.720, with a loss of 4.95% [3] - Hunan Silver opened at 6.960 and closed at 6.990, with a loss of 3.98% [3] - *ST Biology opened at 9.190 and closed at 8.830, with a loss of 3.29% [3]

Core Insights - The development of AI has led to significant power consumption issues, making liquid cooling solutions increasingly essential for data centers and high-density computing environments [1] - The Chinese liquid cooling server market is projected to reach $2.37 billion in 2024, representing a year-on-year growth of 67.0%, and is expected to grow to $3.39 billion in 2025, with a compound annual growth rate (CAGR) of 46.8% from 2024 to 2029, ultimately reaching $16.2 billion by 2029 [1] - The demand for liquid cooling fluids is also expected to surge alongside the growth of the liquid cooling market [1] Liquid Cooling Fluids - Various options for liquid cooling fluids are available, with glycol, propylene glycol, and water being predominant in cold plate cooling, while oil, silicone, and fluorinated liquids are used in immersion cooling [2] - Fluorinated liquids are becoming a critical component in both immersion and cold plate cooling systems due to their surface tension, insulation properties, and material compatibility, especially in high-power density AI server applications [2] - The exit of 3M from the market presents growth opportunities for domestic companies in the high-performance fluorinated liquid segment [2] Investment Recommendations - The rise of AI has created significant power and cooling challenges, positioning liquid cooling as a vital solution, with liquid cooling fluids expected to grow rapidly [2] - Companies that are early entrants into the liquid cooling supply chain are likely to benefit, with specific recommendations to focus on firms such as Dongyangguang, Xinzhoubang, Runhe Materials, Juhua Co., Yonghe Co., Haohua Technology, Jinshi Resources, Dongyue Group, Yongtai Technology, Huayi Group, Sanmei Co., Unity Co., Bayi Shikong, Changlan Technology, Xin'an Co., and Jitai Co. [2]

Group 1: Overseas Market Development - Arrow Home has been focusing on internationalization, increasing strategic investment in overseas markets, and establishing partnerships with local distributors to expand its sales network, resulting in significant revenue growth outside North America, although overall overseas revenue has declined due to changes in the international economic environment [2] - Yiduoli has been enhancing its overseas market presence, with product registrations completed in over 30 countries and regions, and plans to establish a subsidiary in Brazil to strengthen sales coverage in Latin America [3] - Companies like Boying Welding and Jereh have also reported significant progress in their international strategies, with Boying Welding investing in a production base in Vietnam and Jereh expanding its overseas business to over 70 countries [4] Group 2: New Year Development Plans - Wave Optoelectronics plans to focus on semiconductor and laser businesses, aiming for steady growth and expansion into new application areas while maintaining core competitiveness [5] - Arrow Home intends to enhance retail channel management and promote new products in collaboration with Hongmeng Smart Selection, aiming for broader coverage and efficiency in 2026 [5] - Changbao Co. expects to maintain a favorable market for boiler pipes and will focus on high-end product promotion and structural upgrades [7] Group 3: AI Development - Shenzhen Huaqiang emphasizes that AI is a core driver for growth in electronic components, with increasing demand in AI servers and data centers [8] - Zhongdian Port reported a significant increase in AI-related revenue, reaching 9.309 billion yuan in the first three quarters of 2025, reflecting a 78.3% year-on-year growth [9] - Companies like Hanwei Technology are actively integrating AI into their product offerings, developing multi-dimensional sensor systems for intelligent robotics [8][9]

Group 1: Product Development and Innovation - Double River Energy has established advantages in natural ester insulating oil, which is characterized by high flash point, high ignition point, natural biodegradability, low carbon footprint, and strong overload capacity, making it an ideal environmentally friendly insulating oil for transformers [2] - The company is actively involved in the national key project for the development of plant-based insulating oil for ultra-high voltage power transformers, with increased R&D investment planned for 2024 [2][3] - The research and development of immersion-type insulating cooling liquid is currently in the experimental verification stage, aimed at broadening product variety and enhancing market competitiveness [3] Group 2: Market Expansion and Applications - The company has successfully entered the commercial aerospace sector, introducing materials, cabinets, connectors, and electromechanical products into the aerospace industry, thereby injecting new momentum into future development [3] - In the international market, the company has successfully penetrated markets in Italy, the USA, Uruguay, Oman, and Algeria, achieving export sales of its full range of products [3] Group 3: Technological Advancements - In collaboration with China Three Gorges Construction Group and China Electric Power Research Institute, the company has developed innovative products such as 750kV cross-linked polyethylene insulated power cable liquid-filled composite terminal and dry-type insulated GIS terminal, which have passed national-level new product technical appraisal [3] - This significant technological breakthrough fills a domestic gap and marks a leading position in the ultra-high voltage cable accessory technology field in China, contributing to the enhancement of the core competitiveness of the country's power equipment manufacturing industry [3]

Market Overview - The grid equipment sector increased by 1.12% compared to the previous trading day, with HeShun Electric leading the gains [1] - The Shanghai Composite Index closed at 3959.62, up 0.47%, while the Shenzhen Component Index closed at 13531.41, up 0.33% [1] Stock Performance - HeShun Electric (300141) closed at 12.75, up 10.39% with a trading volume of 222,300 shares and a transaction value of 272 million yuan [1] - Changjiang Cable (001208) closed at 23.16, up 10.02% with a trading volume of 1,327,800 shares and a transaction value of 2.915 billion yuan [1] - Tongda Co. (002560) closed at 10.67, up 10.00% with a trading volume of 387,300 shares and a transaction value of 401 million yuan [1] - Jingda Co. (600577) closed at 12.21, up 10.00% with a trading volume of 2,068,600 shares and a transaction value of 2.477 billion yuan [1] - Zhezhong Co. (002346) closed at 19.62, up 9.98% with a trading volume of 103,500 shares [1] Capital Flow - The grid equipment sector experienced a net outflow of 634 million yuan from institutional investors and a net outflow of 171 million yuan from speculative funds, while retail investors saw a net inflow of 805 million yuan [2] - The capital flow for key stocks in the grid equipment sector indicates varying levels of institutional and retail investor activity [3]

2025 年 12 月 24 日 附件： 关于选举职工代表董事的公告 本公司及全体董事会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。 根据《中华人民共和国公司法》《深圳证券交易所上市公司自律监管指引第 1 号——主板上市公司规范运作》等法律法规、规范性文件及《公司章程》的有 关规定，长缆科技集团股份有限公司（以下简称"公司"） 于 2025 年 12 月 24 日 召开职工代表大会，经与会职工代表审议表决，同意选举肖波浪先生（简历附后） 担任公司第五届董事会职工代表董事，与公司现任董事共同组成第五届董事会， 任期自本次职工代表大会审议通过之日起至第五届董事会任期届满之日止。 经核实，肖波浪先生符合《公司法》等相关法律法规及《公司章程》规定的 有关董事任职资格和条件。本次选举职工代表董事后，公司第五届董事会中兼任 高级管理人员以及由职工代表担任的董事人数总计未超过公司董事总数的二分 之一，符合相关法律法规及公司《章程》的规定。 特此公告。 长缆科技集团股份有限公司董事会 证券代码：002879 证券简称：长缆科技 公告编号：2025-053 长缆科技集团股份有限公司 职工代表董 ...