深圳市信维通信股份有限公司 董事、高级管理人员离职管理制度 第一条 为规范深圳市信维通信股份有限公司（以下简称"公司"）董事、 高级管理人员离职管理，保障公司治理稳定性及股东合法权益，根据《中华人民 共和国公司法》《上市公司章程指引》等法律法规、规范性文件、深圳证券交易所 监管规则以及《深圳市信维通信股份有限公司章程》（以下简称"《公司章程》"） 的有关规定，结合公司实际情况，特制定本制度。 第二条 本制度适用于公司全体董事（含独立董事）及高级管理人员的辞任、 任期届满、退休、罢免或解任等离职情形。 第二章 离职情形与生效条件 第三条 董事可以在任期届满以前提出辞任。董事辞任应向公司董事会提交 书面辞职报告，公司收到辞职报告之日辞任生效。公司将在2个交易日内披露有 关情况。 第四条 董事任期届满进行董事改选时未获连任的，自股东会决议通过选举出 新一届董事会董事之日自动离职。 第五条 股东会根据法律规定或《公司章程》依法决议解任董事的，自决议作 出之日起解任生效。 无正当理由，在任期届满前解任董事的，董事可以要求公司予以赔偿。 深圳市信维通信股份有限公司 董事和高级管理人员离职管理制度 第一章 总则 第六条 除 ...

☑ 是 □ 否 证券代码：300136 证券简称：信维通信 公告编号：2025-037 深圳市信维通信股份有限公司 独立董事候选人声明与承诺 声明人 夏俊 作为深圳市信维通信股份有限公司第六届董事会独立董事 候选人，已充分了解并同意由提名人深圳市信维通信股份有限公司董事会提名为 深圳市信维通信股份有限公司（以下简称该公司）第六届董事会独立董事候选人。 现公开声明和保证，本人与该公司之间不存在任何影响本人独立性的关系，且符 合相关法律、行政法规、部门规章、规范性文件和深圳证券交易所业务规则对独 立董事候选人任职资格及独立性的要求，具体声明并承诺如下事项： 一、本人已经通过深圳市信维通信股份有限公司第五届董事会提名委员会 资格审查，提名人与本人不存在利害关系或者其他可能影响独立履职情形的密 切关系。 ☑ 是 □ 否 如否，请详细说明：______________________________ 二、本人不存在《中华人民共和国公司法》第一百七十八条等规定不得担 任公司董事的情形。 四、本人符合该公司章程规定的独立董事任职条件。 ☑ 是 □ 否 如否，请详细说明：___________________________ ...

证券代码：300136 证券简称：信维通信 公告编号:2025-041 深圳市信维通信股份有限公司 关于召开 2025 年第二次临时股东大会的通知 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。 经深圳市信维通信股份有限公司（以下简称"公司"）第五届董事会第十六 次会议审议通过，决定于 2025 年 9 月 5 日（星期五）召开公司 2025 年第二次临 时股东大会。现将会议相关事项通知如下： 一、召开会议的基本情况 1、股东大会届次：2025 年第二次临时股东大会 2、召集人：公司董事会 3、会议召开的合法、合规性：本次股东大会的召开符合有关法律、法规、 部门规章、规范性文件及《公司章程》的规定。 4、会议召开的日期、时间 （1）现场会议召开时间：2025 年 9 月 5 日（星期五）下午 14:00 （2）网络投票时间：2025 年 9 月 5 日 其中，通过深圳证券交易所交易系统进行网络投票的具体时间为：2025 年 9 月 5 日上午 9:15-9:25，9:30-11:30，下午 13:00-15:00；通过深圳证券交易所 互联网投票系统进行投票的具 ...

深圳市信维通信股份有限公司 二、监事会会议审议情况 第五届监事会第十二次会议决议公告 本公司及监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。 一、监事会会议召开情况 深圳市信维通信股份有限公司（以下简称"公司"）于 2025 年 8 月 2 日以 电话、电子邮件、直接送达等方式向全体监事发出公司第五届监事会第十二次会 议的通知。本次会议于 2025 年 8 月 14 日在公司会议室召开。 本次会议由监事会主席丁国荣先生召集和主持，应出席监事 3 人，实际出席 3 人。会议符合《中华人民共和国公司法》等法律、行政法规以及《公司章程》 的有关规定。 证券代码：300136 证券简称：信维通信 公告编号：2025-032 《2025 年半年度报告》全文及摘要详见巨潮资讯网（www.cninfo.com.cn）。 本议案以 3 票同意，0 票弃权，0 票反对的表决结果获得通过。 2、审议通过了《关于调整第四期股权激励计划授予价格的议案》 经审核，监事会认为：公司本次对第四期股权激励计划授予价格的调整安排， 符合《上市公司股权激励管理办法》及公司《第四期股权激励计划（草案）》等 ...

Industry Overview - The launch of Huawei's Mate 60 Pro with satellite communication functionality marks a significant milestone for the satellite communication industry, indicating the maturation of the satellite industry chain [1] - The global satellite industry reached a scale of $281.1 billion in 2022, with the U.S. leading in the number of operational satellites, followed by China [2] - The commercial application of satellite communication is expected to expand, with various potential use cases in consumer-grade terminals, including maritime communication, agricultural monitoring, and IoT connectivity [2] Company Developments - Zhenyou Technology, a supplier for China Telecom, claims to be the first domestic supplier to successfully commercialize satellite core network construction, anticipating high demand for ground station and core network expansion as China's low-orbit satellite system accelerates [3] - Huali Chuantong has proactively entered the chip design and development sector, recently signing a $2.1 billion contract to advance its satellite application industrialization process and enhance its market presence [3] - Xinwei Communication collaborates with Huawei in the antenna sector, providing various RF products for mobile devices and other consumer electronics [3] Market Challenges - The satellite communication industry faces several challenges, including technological limitations, spectrum resource constraints, high costs, and regulatory issues, which need to be addressed for broader application and long-term development [3]

Core Viewpoint - The conference focuses on the development trends of the polymer industry, emphasizing new resins, materials, equipment, and emerging applications such as embodied robots, low-altitude economy, aerospace, new energy vehicles, and electromagnetic shielding [1]. Group 1: Conference Overview - The event will take place from September 10-12, 2025, in Hefei, Anhui [1]. - It aims to promote collaboration among industry, academia, research, and finance to explore high-quality development directions for modified plastics and high-performance materials [1]. Group 2: Organizers and Support - Organized by Ningbo Detai Zhongyan Information Technology Co., Ltd. (DT New Materials) with the chairmanship of Qian Xigao, an academician of the Chinese Academy of Engineering [2]. - Supported by various institutions including the China New Materials Industry Technology Innovation Platform and the Anhui Composite Materials Industry Association [2]. Group 3: Expert Advisory Team - The advisory team includes prominent figures such as Liu Xiaobo, a foreign academician of the Russian Academy of Sciences, and Yang Jie, a professor at Sichuan University specializing in polymer materials [2]. Group 4: Featured Guests and Companies - Notable guests include representatives from leading companies in the new energy vehicle sector, such as Xiaopeng Motors and Lantu Motors, focusing on new material applications [5][6]. - The conference will also feature experts from the robotics field, including CEOs from companies specializing in humanoid robots [8][9]. Group 5: Emerging Applications - The conference will address applications in the low-altitude economy and aerospace, with contributions from experts at China Aerospace Science and Technology Corporation and other specialized research centers [15][16]. - Discussions will include advancements in electromagnetic polymer composite materials, with insights from companies like Xinyi Communication and ZTE [12][13]. Group 6: Participation and Fees - Participation fees are set at 3,500 yuan per person for corporate representatives, with discounts for DT members and group registrations [21].

Industry Overview - Mobile antennas are essential components for receiving and transmitting wireless signals in mobile devices, with demand increasing due to the rapid development of 5G technology [1][6] - Global mobile phone shipments are projected to reach 1.481 billion units in 2024, with the mobile communication antenna market size estimated at $1.98 billion [6] - By 2025, global mobile phone shipments are expected to be around 1.5 billion units, with the antenna market size approximately $2 billion [6] Market Segmentation - The global smartphone communication antenna market is divided into cellular communication systems, Wi-Fi communication systems, and other communication systems, with cellular systems dominating at 43.5% in 2024, while Wi-Fi systems account for 30% [8][10] Technological Evolution - The evolution of mobile antennas is closely linked to advancements in communication standards (from 2G to 5G/6G), materials science, and integration processes [4][21] - The design and manufacturing of mobile antennas are continuously innovating to meet diverse network environments and user needs, moving towards more efficient, integrated, and intelligent solutions [21] Competitive Landscape - The mobile antenna market is primarily dominated by well-known domestic and international companies, including Shenzhen Sunway Communication Co., Ltd., Huizhou Suyuan Technology Co., Ltd., Luxshare Precision Industry Co., Ltd., and Huawei Technologies Co., Ltd. [14][17] - New emerging companies are also entering the market, intensifying competition [14] Company Performance - Shenzhen Sunway Communication reported a revenue of 8.744 billion yuan in 2024, an increase of 1.196 billion yuan from 2023, with a net profit of 662 million yuan, up by 140 million yuan [17] - Luxshare Precision achieved a revenue of 268.795 billion yuan in 2024, an increase of 36.889 billion yuan from 2023, with a net profit of 13.366 billion yuan, up by 2.413 billion yuan [19] Future Trends - The mobile antenna industry is expected to continue evolving with advancements in communication technology, focusing on higher efficiency, integration, and intelligence in design and manufacturing [21]

Core Viewpoint - The article discusses the advancements in polymer dielectric materials, particularly Liquid Crystal Polymer (LCP), which are essential for the transition from 5G to 6G technology, highlighting their superior properties and applications in high-frequency communication systems [2][8]. Group 1: 6G Technology and Material Requirements - The 6G frequency band ranges from 100GHz to 10THz, with peak transmission speeds reaching 100Gbps to 1Tbps and communication latency below 0.1 milliseconds, necessitating advanced materials for antennas and semiconductors [2]. - LCP materials are identified as critical for high-frequency applications due to their high strength, thermal resistance, low thermal expansion coefficient, flame retardancy, and excellent dielectric properties, making them a key domestic alternative for the transition from 5.5G to 6G [2][3]. Group 2: LCP Film Characteristics - The LCP film developed by the company features ultra-low dielectric loss (Df) ranging from 0.001 to 0.003 at 10GHz, with a dielectric constant (Dk) between 2.9 and 3.2, significantly outperforming traditional PI films [3]. - The film's low signal attenuation at 5G frequencies (28GHz/39GHz) ensures stable and complete high-speed data transmission, while its thin and flexible nature (thickness controlled between 5 to 100μm) makes it suitable for flexible circuit designs in foldable smartphones and wearable devices [3]. Group 3: Future Market and Demand - The article raises questions about how to integrate low loss, low thermal expansion, high temperature resistance, and high flexibility in future 5.5G/6G applications, as well as the market potential and demand for LCP films [5]. - The company has achieved breakthroughs from LCP film research to device innovation and module integration, establishing a comprehensive solution that supports the entire 6G ecosystem [8]. Group 4: Forum Information - The 2025 (Third) Polymer Electromagnetic Composite Materials and Applications Forum will be held on September 11-12, 2025, in Hefei, Anhui, where industry experts will discuss the latest advancements in electromagnetic functional materials [11][13]. - The forum aims to enhance collaboration between academia and industry, focusing on the urgent need for high-performance polymer electromagnetic composite materials in various rapidly developing sectors, including AI, 5.5G/6G, and new energy vehicles [12][14].

Group 1 - The company announced that as of July 31, 2025, it has repurchased a total of 15,100,031 shares through a dedicated securities account via centralized bidding, which represents 1.56% of the company's total share capital [2]

Summary of Key Points Core Viewpoint - XW Communication (300136.SZ) announced a share buyback program, indicating a commitment to enhancing shareholder value through capital return strategies [1] Group 1: Share Buyback Details - As of July 31, 2025, the company has repurchased a total of 15,100,031 shares, which represents 1.56% of the total share capital [1] - The highest transaction price during the buyback was 18.26 CNY per share, while the lowest was 17.16 CNY per share [1] - The total amount spent on the buyback reached 268 million CNY, excluding transaction fees [1]