点击 最 下方 "在看"和" "并分享，"关注"材料汇 添加 小编微信 ，遇见 志同道合 的你 正文 Part 研究背景与意义 01 ● 公众号·材料汇 1 5G通信技术的特点 Non-ionising radiation'- 2.4GHZ VS. 5GHZ 波长 700 MHz 2.6 3.4 - 3.8 2.4 5G 扩展频 0 随着信息技术的发展,实时传输的数据 量日益增加，低频通信无法满足海量数 据实时传输。提高信号传输容量和速率 最有效的方式是使用高频电磁波。 C—信号传输速率 香农定理: B—信道带宽，与频率正相关 C = B ×log2 S/N S/N—信噪比 2 公众号·材料汇 5G通信技术的特点 大数据容量 5G 日2 智慧城市 智能驾驶 低时延 特 点 高传输速率 虚拟增强现实 远程医疗 ·公众号·材料汇 1 高频通信对电路基材的要求- 低介申 通信技术和通信设备的发展对设 备电路基材提出了更高的要求 信号传输损耗与 信号传输延时与 介电性能的关系 介电常数的关系 Tax - Dk L = K × (f/C) × Df × VDk 5G通信是依靠器件实现无线电磁波 L 传输损耗; K 常数 ...

"通过一系列技术集成，数据、指令、模型，最终汇入'智牧通'云平台，形成牧场的'智慧大脑'。"辛晓 平说，"未来，牧民坐在家中，操作手机就能实现'智慧放牧'。" 全域感知的"智慧眼"。利用卫星遥感、无人机和地基感测组成的"空天地一体化"技术，打造了覆盖百万 平方公里草原牧场的"智慧之眼"，清晰呈现草场的变化、牲畜的踪迹。 可取代人工放牧的"智能系统"。比如，研发能够快速完成运动牲畜生理指标精准测量的"牲畜健康监测 站"，捕捉牲畜的采食频率、咀嚼力度、活动踪迹的"行为解码颈环"，音频预警+精准电刺激、可24小时 值守的"虚拟围栏系统"等。 实现草畜精准饲养的"智慧管理"。比如，科研人员按家畜品种、性别、年龄和生长阶段，精准匹配营养 和能量供需过程。结合出栏周期算法，精准调控各阶段牲畜数量，让草场负载始终处于最优阈值等。 提高草畜生产转化效率、解决草畜矛盾等难题，是草原畜牧业发展必须直面的课题。2021年，中国农业 科学院农业资源与农业区划研究所牵头，联合北京理工大学等9家科研机构，在国家重点研发计划支持 下，开展"天然草原智能放牧与草畜精准管控关键技术"攻关，以科技赋能草原畜牧业现代化转型。 前不久，在内蒙古自治 ...

Core Viewpoint - The report highlights the significant growth in revenue and net profit for Huizhou Speed Wireless Technology Co., Ltd. during the first half of 2025, driven by the recovery in the consumer electronics market and the company's focus on core business areas [2][3]. Company Overview and Financial Indicators - The company reported a revenue of CNY 1,208,239,735.60, a 48.50% increase compared to the same period last year [2][4]. - The net profit attributable to shareholders reached CNY 28,435,223.36, marking an increase of 855.73% year-on-year [2][4]. - The basic earnings per share increased to CNY 0.07, a 600.00% rise from the previous year [2][4]. - Total assets at the end of the reporting period were CNY 3,347,707,990.72, up 9.25% from the end of the previous year [2][4]. Business Operations - The company operates primarily in the antenna, thermal management components, wiring harnesses, and smart sensor modules sectors, serving industries such as consumer electronics, automotive, communication, and new energy [3][5]. - The company has a strong focus on the terminal antenna business, with significant growth in shipments for consumer electronics, leading to increased net profits [7][8]. - The thermal management segment saw a doubling in revenue due to high-value projects reaching mass production [7][8]. Industry Context - As of June 2025, China had 4.549 million 5G base stations, with a net increase of 298,000 from the previous year, indicating a robust expansion in telecommunications infrastructure [3][4]. - The consumer electronics market is recovering, with global smartphone shipments showing a slight increase of 1.5% year-on-year in Q1 2025 and 1.0% in Q2 2025 [3][4]. - The automotive industry is also experiencing growth, with a 41.4% increase in new energy vehicle production and sales in the first half of 2025 [4][5].

序号股东名称持股比例1上海金德福建设集团有限公司100% 天眼查显示，近日，上海无限通技术有限公司成立，法定代表人为孙琳，注册资本20000万人民币，由 上海金德福建设集团有限公司全资持股。 经营范围含技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；信息技术咨询服务；通 讯设备销售；网络设备销售；终端测试设备销售；通信设备销售；电子专用设备销售；智能输配电及控 制设备销售；电子产品销售；计算机软硬件及辅助设备批发；软件销售；软件开发；智能控制系统集 成；移动终端设备销售；配电开关控制设备销售；配电开关控制设备研发；制冷、空调设备销售；安全 系统监控服务；数字视频监控系统销售；5G通信技术服务；通信设备制造【分支机构经营】；输配电 及控制设备制造【分支机构经营】；配电开关控制设备制造【分支机构经营】；计算机软硬件及外围设 备制造【分支机构经营】；机械设备研发；移动终端设备制造【分支机构经营】；物联网设备制造【分 支机构经营】；终端测试设备制造【分支机构经营】；制冷、空调设备制造【分支机构经营】；工程管 理服务；信息系统运行维护服务；集成电路设计；云计算设备销售；数据处理和存储支持服务；云计算 装备技 ...

Core Viewpoint - The article highlights the strong market position and growth potential of Shuangdeng Group in the energy storage sector, particularly in communication and data center solutions, while also addressing the challenges it faces in terms of profitability and market dynamics [2][11]. Company Overview - Shuangdeng Group, established in 2011, specializes in energy storage solutions in the big data and communication fields, and is recognized as the global leader in communication and data center energy storage battery shipments, with a market share of 11.1% in 2024 [2]. - The company has transitioned to a Hong Kong listing after previously applying for a listing on the Shenzhen Stock Exchange [2]. Main Business - Shuangdeng Group operates in three core areas: communication base stations, data centers, and power storage, with a significant market share in each [4]. - In 2024, the company ranked first globally in communication base station energy storage with a market share of 9.2%, contributing over 50% of its revenue [5]. - The company serves 80% of the top ten data center enterprises in China and 90% of third-party data centers, holding a 16.1% market share in this sector [5]. Financial Data Analysis - Revenue from energy storage battery sales has shown steady growth, with 2022 revenue at 4.072 billion RMB, 2023 at 4.260 billion RMB, and 2024 projected at 4.499 billion RMB [6]. - Despite revenue growth, profitability has faced pressure, with gross margin declining from 20.3% in 2023 to 16.7% in 2024, and further to 14.9% in the first five months of 2025 [6][8]. - The data center energy storage business saw a significant increase in revenue share, reaching 46.7% in the first five months of 2025, surpassing communication base stations for the first time [9]. Industry Development Potential - The energy storage market is experiencing rapid growth, driven by advancements in renewable energy, 5G communication, big data, and artificial intelligence [11]. - The global energy storage battery market is expected to grow from 746.8 GWh in 2024 to 6810.1 GWh by 2030, with China's market projected to reach 54.2 GWh by 2030 [11]. - The demand for energy storage systems is increasing due to the anticipated growth in 5G base stations and data centers, with global data center electricity consumption expected to rise significantly [11]. Company Advantages and Concerns - Shuangdeng Group has established strong customer relationships with major telecom operators and data center companies, providing a competitive edge [12]. - The company is diversifying its technology portfolio, including lithium-ion, lead-acid, sodium-ion, and solid-state batteries [12]. - However, the company faces risks such as reliance on lead-acid batteries, which contribute 64.6% of its revenue, and potential regulatory challenges from the EU [12]. Investment Value Assessment and Outlook - The company plans to raise 2.75 billion HKD through its IPO, with funds allocated for expanding lithium battery production capacity in Southeast Asia, developing next-generation technology, and enhancing its marketing network [13]. - Key performance indicators include maintaining revenue growth in the data center storage business and stabilizing gross margins above 18% [15].

Core Insights - The commercialization of Mini LED and Micro LED technologies is accelerating, with Mini LED penetration in TVs and monitors significantly improving, providing users with a better visual experience. Micro LED is also emerging in the high-end display market due to its superior performance [1] - The investment in China's optoelectronic display industry is projected to be approximately 103.5 billion RMB in the first half of 2025, reflecting a year-on-year decline of 26.7% [1] Investment Trends - The investment in the display panel sector leads with 45.1 billion RMB, accounting for 43.6% of the total, but shows an 18.3% decrease compared to the same period last year, indicating adjustments in traditional panel capacity [2] - The Mini/Micro LED sector received 23.0% of the investment, totaling 23.8 billion RMB, despite a significant year-on-year decline of 48.5%, maintaining its position as the second-largest investment area [2] - The optoelectronic module projects attracted 17.4 billion RMB, representing 16.8% of the total investment, with a year-on-year decrease of 37.8% [2] - The optoelectronic materials sector experienced a 34.6% growth, with investments reaching 16 billion RMB, becoming the only segment to achieve positive growth, highlighting the increasing strategic value of the upstream supply chain [2] Regional Investment Distribution - The investment in China's optoelectronic display industry shows a clear regional concentration, with the top five investment areas accounting for 78.8% of total funds. Sichuan leads with 28.4 billion RMB, representing 27.5% of the total, followed by Hunan with 22.5 billion RMB, or 21.8% [3] - Domestic capital dominates the funding sources, making up 87.4%, while investments from Hong Kong, Macau, Taiwan, and Japan/Korea are declining, indicating a trend towards localized development in the optoelectronic display industry [3] Notable Projects - A significant investment project in the optoelectronic display industry is the Huike full-color M-LED new display chip base, with a total investment of 10 billion RMB located in Nanchong, Sichuan, aiming for a monthly production capacity of 1 million chips [5] - In the optoelectronic materials sector, optical films received 7.6 billion RMB, leading the investment but showing a 15.7% decline year-on-year, while photomasks saw a remarkable increase of 415.0% in investment, reaching 3.8 billion RMB, indicating a shift towards high-end materials [5] Market Outlook - The global optoelectronic display panel industry is expected to experience new growth opportunities driven by advanced technologies such as 5G and artificial intelligence. The demand for smart terminal devices and automotive displays is steadily increasing, contributing to industry expansion [6] - The market is witnessing a "dual-track" development approach, with traditional LCD technology maintaining stable growth due to its established supply chain, while OLED technology is gaining traction due to its flexible display characteristics and increasing market penetration [6]

Group 1 - The core viewpoint of the article emphasizes the significant advancements in China's transportation sector during the "14th Five-Year Plan" period, focusing on the construction of a comprehensive transportation network and improved service quality [1][3] - The national comprehensive three-dimensional transportation network has achieved over 90% completion rate, enhancing overall transportation capacity, service quality, and operational efficiency [1] - The "Eight Vertical and Eight Horizontal" high-speed rail network has been completed and put into operation at 81.5%, with a total operational mileage of 48,000 kilometers, covering 97% of cities with populations over 500,000 [1][2] Group 2 - Technological advancements in the transportation sector have accelerated, with China's high-speed rail accounting for over 70% of the world's total high-speed rail mileage, showcasing significant advantages in locomotive manufacturing and engineering construction [2] - The automotive industry is rapidly transitioning towards intelligence, electrification, and connectivity, supported by breakthroughs in artificial intelligence, 5G communication, and the Internet of Things [2] - Smart travel initiatives have been widely adopted, including online ticket sales, electronic payments, and facial recognition for travel, making travel more convenient for the public [2] Group 3 - The future of transportation in China is expected to play a pivotal role in the country's modernization efforts, with the ongoing development of a strong transportation nation further highlighting its importance [3]

/电磁屏蔽/吸波导热/介电材料交流群/ 让专业的人聚在一起, 电磁屏蔽/吸波/导热/低介电低介损材料等交流群 ❤️ ↓ 受益于 iPhone中 LCP天线投入使用，LCP天线在LCP软板中率先开始增长。 除智能手机外，LCP天线将应用于各种智能设备，其将成为FPC新增长点， 全球FPC市场进一步扩容，未来在摄像头软板、笔记本电脑高速传输线、智 能手表天线等对其也有更多需求 。 5 G 天 线0材1料 概 况 那什么是5G呢？5G为第五代移动通信技术的简称，5G通讯就是指通讯频率提高到5GHz范围。我国的5G初始中频频段为3.3-3.6GHz和4.8-5GHz两个 频段，24.75-27.5GHz、37-42.5GHz高频频段正在研发之中； 而国际上主要使用28GHz进行试验。这意味着5G通讯接近毫米波波段，毫米波最大优点为传播速度快，随之带来的最大缺点就是穿透力差、衰减大。 （注：通常将30-300GHz的频域(波长为1～10毫米)的电磁波称毫米波，它位于微波与远红外波相交叠的波长范围，因而兼有两种波谱的特点。 5 G 通 讯 有0什2么 优 点 ？ 极高的速率 5G 的传输速率远远大于 4G 传 输速度 1 ...

Core Viewpoint - The rapid development of emerging technologies such as AI, 5G communication, new energy vehicles, and the Internet of Things is driving significant growth in the PCB industry, which in turn is increasing the demand for upstream PCB materials [1][7]. Group 1: Industry Trends - The PCB industry is experiencing high demand due to advancements in AI and communication technologies, leading to increased performance requirements for PCB products [1]. - High-frequency and high-speed copper-clad laminates are essential for applications in base stations, satellite communications, and automotive radar systems [1][4]. - The demand for low dielectric constant (Dk) and low dielectric loss factor (Df) materials is critical for effective signal transmission in high-frequency environments [1][9]. Group 2: Material Types and Applications - Common high-frequency materials include modified epoxy, PTFE, and PCH, each with specific applications in high-frequency and high-speed PCBs [5][6]. - PTFE is preferred for high-frequency substrates due to its superior dielectric properties, especially in applications exceeding 30GHz [3][5]. - High-speed materials focus on minimizing dielectric loss (Df), with applications in computers, servers, and communication electronics [4][6]. Group 3: Future Demand and Supply Chain - The global AI server shipment is expected to grow by 46% in 2024, driven by strong demand from major cloud service providers, which will boost the need for high-frequency and high-speed copper-clad laminates [7][9]. - The supply chain for AI servers is projected to remain stable, with an anticipated growth of nearly 28% in 2025 under basic scenarios [7]. - The shift towards low Dk/Df resin materials is essential to meet the bandwidth and transmission speed requirements of 5G and future 6G technologies [9][10]. Group 4: Environmental and Regulatory Factors - The industry is facing increasing pressure to transition to halogen-free flame retardants due to stringent environmental regulations, which will necessitate significant changes in material formulations [10][10]. - The demand for lightweight and high-performance materials is growing, particularly in the context of miniaturization and integration in consumer electronics [9][10]. Group 5: Upcoming Events and Forums - The "2025 DT New Materials Polymer Industry Annual Conference" will focus on the latest developments in electromagnetic materials, including high-frequency and high-speed PCB substrates [14][15]. - The conference will feature discussions on the integration of new materials in various applications, including 5G/6G communication and new energy vehicles [14][15].

Core Viewpoint - Longtu Photomask (688721) has officially achieved mass production of 90nm semiconductor photomask products at its high-end manufacturing base in Zhuhai, while 65nm products are undergoing sample validation, indicating an enhanced influence in high-end processes and broader coverage in downstream fields [1] Group 1: Company Overview - Longtu Photomask was established in 2010, focusing on the research, production, and sales of semiconductor photomasks, and is an independent third-party photomask manufacturer [2] - The company has evolved its technology from 130nm to 65nm and has completed the production equipment layout for the 40nm process node [2] - Longtu Photomask has established deep cooperative relationships with key domestic wafer fabs and design companies, positioning its technical strength and process capabilities among the top tier in the domestic industry [2] Group 2: Research and Development - The R&D team at Longtu Photomask has extensive experience in the semiconductor photomask field, with 43 R&D personnel accounting for 17.41% of the total workforce, including 8 master's degree holders [3] - The company has received multiple recognitions, including "Little Giant" enterprise certification from the Ministry of Industry and Information Technology, and has accumulated 25 invention patents and over 40 utility model patents [3] - In Q1 2025, the company reported revenue of 54.37 million yuan, with R&D investment of 5.65 million yuan, representing 10.4% of revenue, an increase of 2.14 percentage points year-on-year [3] Group 3: Market Opportunities - The semiconductor photomask market is expanding due to strong growth in emerging fields such as renewable energy, AI, autonomous driving, IoT, 5G communication, VR/AR, and the metaverse [4] - Currently, domestic manufacturers in China primarily produce semiconductor photomasks in the 350nm-130nm range, with a low participation rate in nodes below 130nm [4] - The domestic photomask market has a localization rate of about 10%, with high-end photomasks having a localization rate of only approximately 3% [4] - Longtu Photomask aims to increase R&D investment in high-end semiconductor photomasks, aspiring to become a leading benchmark enterprise in the domestic and international markets [4]