Group 1 - The low-altitude economy is a hot topic, with its strategic importance recognized by the Chinese government, as evidenced by its inclusion in government work reports for 2024 and 2025 [2] - Over 20 provincial governments have incorporated low-altitude economy into their work reports or development plans, with cities like Shenzhen and Guangzhou establishing development funds ranging from billions to hundreds of billions [2] - The National Development and Reform Commission (NDRC) established a dedicated Low Altitude Economy Development Department in early 2025, indicating a strong commitment to this sector [2] Group 2 - Ningbo has issued a high-quality development implementation plan for the low-altitude economy for 2025-2027, with over 100 local enterprises involved, primarily in upstream and midstream manufacturing sectors [3] - Approximately 80% of these enterprises focus on aviation materials, components, low-altitude flying vehicles, and monitoring services [3] - The Chinese Academy of Sciences' Ningbo Materials Institute has a strong research team dedicated to aircraft technology, leading various projects related to unmanned aerial vehicles [3] Group 3 - The 2025 Polymer Industry Annual Conference will take place from September 10-12 in Hefei, focusing on the rise of new industries and innovations in polymer applications [7] - The conference will feature various activities, including thematic industry conferences, innovation exhibitions, and award ceremonies, aimed at fostering collaboration and technological innovation [8]

证券代码：603991 证券简称：至正股份 公告编号：2025-046 深圳至正高分子材料股份有限公司 关于重大资产置换、发行股份及支付现金购买资产并 募集配套资金暨关联交易报告书（草案）（上会稿） 修订说明的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 深圳至正高分子材料股份有限公司（以下简称"公司"）拟通过重大资产置 换、发行股份及支付现金的方式取得先进封装材料国际有限公司（Advanced Assembly Materials International Limited）的股权及其控制权、置出上海至正新材 料有限公司 100%股权并募集配套资金（以下简称"本次交易"）。 公司于 2025 年 7 月 21 日收到上海证券交易所出具的《关于深圳至正高分子 材料股份有限公司重大资产置换、发行股份及支付现金购买资产并募集配套资金 暨关联交易申请的审核中心意见落实函》（上证上审〔2025〕53 号）（以下简 称"《审核中心意见落实函》"）。根据《审核中心意见落实函》及上海证券交 易所审核意见的要求，公司于 2025 年 ...

证券代码：603991 证券简称：至正股份 公告编号：2025-045 深圳至正高分子材料股份有限公司 公司收到《审核中心意见落实函》后，会同相关中介机构结合公司情况，按 照相关要求对《审核中心意见落实函》中的问题进行了认真研究、落实，并提交 了相关回复、重组报告书（上会稿）等文件，具体内容详见公司同日在上交所网 站披露的《关于深圳至正高分子材料股份有限公司重大资产置换、发行股份及支 付现金购买资产并募集配套资金暨关联交易申请的审核中心意见落实函之回复 报告》等相关文件。 本次交易尚需经上交所审核通过及中国证券监督管理委员会同意注册后方 可实施。本次交易能否通过审核、取得注册，以及最终通过审核、取得注册的时 间均存在不确定性，公司将根据审核进展情况及时履行信息披露义务，敬请广大 投资者关注后续公告并注意相关投资风险。 特此公告。 深圳至正高分子材料股份有限公司董事会 函的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 深圳至正高分子材料股份有限公司（以下简称"公司"）拟通过重大资产置 换、发行股份及支付现金的方式取得先进 ...

Core Viewpoint - The article discusses the increasing concern over electromagnetic radiation from electronic devices and the importance of electromagnetic shielding materials in protecting both human health and electronic systems from electromagnetic interference [1][3]. Group 1: Industry Overview - The Ministry of Industry and Information Technology reported that by the end of 2024, China will have 4.251 million 5G base stations, an increase of 874,000 from the previous year, with 5G base stations accounting for 33.6% of all mobile phone base stations, up 4.5 percentage points year-on-year [1]. - The development of electromagnetic shielding materials is crucial for the advancement of 5G communication and national defense technology [1]. Group 2: Types of Electromagnetic Shielding Materials - Conductive polymer composite materials can be categorized into several types, including: - Metal-filled conductive polymer composites, which enhance conductivity and electromagnetic shielding performance [6][7]. - Carbon-based conductive polymer composites, which are lightweight and have strong conductivity [9]. - Magnetic particle-filled conductive polymer composites, which utilize magnetic materials to enhance shielding effectiveness [10]. - Hybrid filler conductive polymer materials, which combine various fillers to optimize performance [11]. Group 3: Structural Optimization of Shielding Materials - Structural optimization techniques include: - Isolation-type conductive polymer composites that create a honeycomb network structure for better conductivity and shielding [13]. - Layered conductive polymer composites that enhance electromagnetic shielding through multiple interfaces [16]. - Porous conductive polymer composites that reduce weight while maintaining effective shielding performance [18][19]. Group 4: Advances in Conductive Polymer Shielding Materials - Intrinsic conductive polymer shielding materials are created through chemical or electrochemical doping, resulting in materials with low density, high corrosion resistance, and strong strength [23]. - The core of electromagnetic shielding materials is conductivity, with traditional metal shells being replaced by various conductive plastics and composites that offer better performance and lower costs [24][25]. Group 5: Future Trends and Developments - The demand for high-performance polymer-based electromagnetic shielding materials is increasing, driven by advancements in AI, 5.5G/6G, and other emerging technologies [28][29]. - The upcoming 2025 Polymer Industry Annual Conference will focus on the latest developments in electromagnetic composite materials and their applications [30][31].

Core Viewpoint - 3D printing technology is becoming a key driver for manufacturing upgrades, particularly in the field of polymer materials for high-strength structural components and precision molds, where China has long relied on imports [1][2]. Group 1: 3D Printing Innovations - A research team led by Professor Ren Xiangkui from Tianjin University has developed a series of low-cost, lightweight, and rapid 3D printing polymer materials and technologies [1]. - The team synthesized a series of efficient "compatibilizers" based on hyperbranched polymers, significantly enhancing the interfacial adhesion of glass and carbon fibers with common engineering plastics [1]. - Newly developed 3D printing materials, including granules and filaments based on polypropylene (PP), acrylonitrile-butadiene-styrene copolymer (ABS), polyether ether ketone (PEEK), and polyphenylene sulfide (PPS), exhibit excellent high-temperature resistance, filling a domestic gap in high-end applications [1]. - An innovative "shrinkage-reducing agent" based on block polymers was synthesized, along with optimized 3D printing processes for complex structures, reducing manufacturing cycles from two to three months to just one to three weeks [1]. - The combination of CNC surface polishing technology with fused deposition modeling (FDM) 3D printing significantly improves the surface finish and dimensional accuracy of printed components, expanding the application range in precision parts [1]. Group 2: Halogen-Free Flame Retardants - The research team has successfully developed a series of high-performance halogen-free flame retardants specifically designed for flammable polymers like polypropylene and nylon, maintaining stability at high temperatures of 280°C [2]. - The flame-retardant modified products achieved the highest V0 rating in UL94 combustion tests, producing minimal non-toxic smoke when exposed to fire [2]. - The products meet stringent environmental regulations such as ROHS and REACH, and have demonstrated durability under extreme conditions, maintaining performance after 2000 hours at 85°C and 85% humidity, and after boiling in water at 70°C for 168 hours [2]. - The newly established Polymer Composite Materials Technology Development Center at Tianjin University Zhejiang Research Institute aims to collaborate with enterprises in various fields, including automotive, high-speed rail, home appliances, drones, mold manufacturing, aerospace, and construction [2]. Group 3: Upcoming Events - The 2025 Polymer Industry Annual Conference will be held from September 10-12, 2025, in Hefei, focusing on the theme "The Rise of China's Emerging Industries Leading the Next Decade of Polymers" [5]. - The conference will feature thematic industry forums, innovation exhibitions, and the "New Plastic Award" selection and presentation, providing a platform for the latest macro forecasts, technological achievements, and innovative solutions in the polymer industry [5].

Core Viewpoint - The article emphasizes the growing importance of polymer electromagnetic composite materials in addressing electromagnetic interference and ensuring the stable operation of electronic devices, particularly in the context of rapid advancements in AI, 5.5G/6G, and other emerging industries [1][4]. Forum Information - The forum will take place on September 11-12, 2025, in Hefei, Anhui, organized by Ningbo Detai Zhongyan Information Technology Co., Ltd. (DT New Materials) [2]. - The conference will be chaired by Qian Xigao, an academician of the Chinese Academy of Engineering [2]. Core Topics - The forum will cover the current status and future trends of electromagnetic composite materials, including high-frequency, high-speed, and high-density interconnect copper-clad board materials [4]. - Discussions will focus on the exploration of polymer composite materials for the 6G era [4]. Research Progress - Advances in polymer-based electromagnetic shielding composite materials, including performance tuning and structural design for various polymers such as PET, epoxy resin, and PEEK [5]. - Research on absorbing composite materials and their performance adjustments, including materials like epoxy resin and PU [5]. - Development of thermal conductive composite materials and low dielectric loss polymers, with a focus on materials like LCP and PTFE [5]. Substrate Materials and Power Devices - Key materials and packaging methods for electromagnetic shielding in advanced electronic packaging [6]. - Processing techniques for electromagnetic composite materials, including fibers, foams, and films [6]. - Applications of new materials such as MOFs and COFs in electromagnetic materials [6]. Emerging Fields - The forum will explore the transformation of the electromagnetic materials industry chain, particularly in relation to AI servers, new energy vehicles, and robotics [8]. - Discussions will include the development of materials for antennas and base stations in the context of 5.5G/6G [10]. Overall Conference Agenda - The event will feature over 100 new materials and technologies, providing a platform for sharing the latest research and innovations in electromagnetic materials [15]. - It will also include specialized activities such as school-enterprise cooperation and technology achievement matching [15]. Related Conferences - The event will coincide with other conferences focusing on engineering plastics, new energy vehicles, and embodied robotics, highlighting the interconnectedness of these industries [16].

Core Viewpoint - The global chemical industry is undergoing a transformation due to intensified competition and structural overcapacity, leading to a shift from traditional, unprofitable sectors to innovative applications in high polymer materials, driven by emerging industries such as low-altitude economy, embodied robotics, and new energy vehicles [1]. Group 1: Industry Trends - The chemical industry is transitioning from "scale-based competition" to "technology-based competition," emphasizing breakthroughs in new material technologies and structures [1]. - China's dominance in the global chemical sector is increasing, attracting multinational companies to establish innovation and R&D centers in the country due to its vast market and complete industrial chain [1]. Group 2: Event Overview - The 2025 Polymer Industry Annual Conference and "New Plastic Award" will be held from September 10-12, 2025, in Hefei, Anhui, focusing on the theme "The Rise of China's Emerging Industries Leading the Next Decade of Polymers" [2]. - The event will feature three main components: industry conferences, innovation exhibitions, and the New Plastic Award ceremony, along with specialized sessions for terminal connections, international cooperation, and project roadshows [2]. Group 3: Event Highlights - Over 600 global business leaders and top scientists will participate, fostering collaboration and exchange [3]. - More than 100 end-users from emerging industries such as new energy vehicles and low-altitude economy will attend, facilitating direct connections for material application needs [3]. - The event will include a CEO strategic seminar with over 30 government officials and industry leaders discussing the future of polymer materials [3]. Group 4: Forum Topics - The conference will cover various topics, including high-performance engineering plastics, smart manufacturing technologies, and sustainable plastic development [12][16][21]. - Specific forums will focus on innovations in electric vehicles, embodied robotics, and aerospace materials, addressing current trends and future challenges in these sectors [18][20][22]. Group 5: Participation and Registration - Registration fees are set at 3200 RMB for corporate representatives and 2600 RMB for academic staff, with early bird discounts available until July 20 [33]. - DT members can attend for free and receive priority in meeting arrangements [33].

Metal Materials - The future focus is on breaking traditional alloy performance limits, evolving towards multifunctional integration and sustainable manufacturing [3] - The industry impact shifts from "structural support" to "functional load-bearing," with metal materials remaining the backbone of high-end equipment [4] Polymer Materials - Advanced high-strength lightweight alloys such as magnesium, aluminum, and titanium alloys achieve "weight reduction and efficiency increase" through nano-precipitation and texture control, with topology optimization and 3D printing of customized alloy components becoming mainstream after 2040 [5] - High-entropy alloys (HEAs) break traditional design thinking with the "cocktail effect," offering high strength, corrosion resistance, and radiation resistance, making them irreplaceable in nuclear reactors and deep-sea equipment [5] - Sustainable metallurgy, including hydrogen metallurgy technology, aims for a metal closed-loop recycling rate exceeding 90% by 2050, reshaping the carbon neutrality path for the steel industry [5] Ceramic Materials - The future focus is on overcoming brittleness to expand applications in energy and aerospace [11] - The industry impact highlights the irreplaceable role of ceramics in aerospace, nuclear energy, and semiconductors, with significant domestic substitution potential [12] Carbon Materials - The future focus is on the industrialization of two-dimensional materials and the rise of carbon-based electronics [15] - China holds 70% of global graphene patents, necessitating a faster transition from laboratory to factory [16] Composite Materials - Graphene is expected to achieve low-cost mass production after 2030, with applications in ultrafast sensors, flexible electrodes, and seawater desalination membranes [17] - Carbon nanotubes (CNTs) are candidates for lightweight conductive composites, replacing copper wires [17] - Carbon fiber (CFRP) supports new-generation domestic T1100-grade carbon fiber for large aircraft and hydrogen storage tanks [17] Advanced Materials - Fiber-reinforced resin-based composites (FRP) are key to automotive lightweighting, with carbon fiber costs projected to drop to $10/kg by 2050 [21] - Smart composite materials with embedded sensors enable structural health monitoring [21] Information Materials - The future focus is on supporting computational power explosion and quantum communication [27] - The industry impact directly influences China's chip discourse power in the "post-Moore era" [28] Energy Materials - The future focus is on enhancing energy conversion and storage efficiency [31] - Material costs account for 60% of new energy device expenses, making them critical for achieving carbon neutrality goals [32] Biomedical Materials - The future focus is on personalization and bioactivity [35] - The aging global population creates a trillion-dollar market, with biocompatibility evaluation being a core entry criterion [36] Environmental Materials - The future focus is on pollution control and resource recycling [39] - Environmental policies drive mandatory replacements, with green certification becoming a standard for exports [40] Building Materials - The future focus is on transforming from energy consumers to producers [43] - New materials are seen as breakthroughs for urban carbon neutrality, given that buildings consume 40% of global energy [44] Material Surface Engineering - The future focus is on nanotechnology and multifunctional integrated coatings [47] - The industry impact emphasizes the value of coatings in remanufacturing [48] Material Analysis and Evaluation - The future focus is on AI-driven material analysis combining high-throughput experiments, computational simulations, and AI [51] - The industry impact shifts from "trial and error" to "rational design," reshaping material R&D paradigms [52] Conclusion - Over the next 40 years, material innovation will showcase four main themes: green, intelligent, composite, and precise [54] - The transition from a "material power" to a "material strong power" in China depends on breakthroughs in original basic research, key equipment autonomy, and collaborative ecosystems [56]

Core Viewpoint - Suzhou Beteli High Polymer Materials Co., Ltd. has initiated its IPO process on the ChiNext board, with a focus on new materials, particularly conductive materials, silicone materials, and coating materials, targeting various sectors including photovoltaics and 3C electronics [1][3]. Financial Performance - The company projects a net profit attributable to shareholders of 97.5 million yuan in 2024, representing a growth of 4.9 times over two years [1][3]. - Revenue for the years 2022, 2023, and 2024 is expected to be 635 million yuan, 2.273 billion yuan, and 2.521 billion yuan respectively, indicating significant growth driven by new product launches [3][4]. - The gross profit margins for the same years are reported as 20.32%, 10.28%, and 10.92% [3]. Funding and Investment Projects - The company aims to raise 792.66 million yuan through its IPO, with allocations including 210 million yuan for a special conductive materials project, 299 million yuan for the expansion of its Dongguan facility, 183 million yuan for a R&D and marketing center in Wuxi, and 100 million yuan for working capital [1][2]. Market Position and Product Applications - The company holds a market share of approximately 4.17% in silver powder and 5% in HJT paste globally for 2024, with a leading position in the domestic market for electronic paste used in flexible circuit boards [5][6]. - Key clients include major companies in the photovoltaic sector such as Shanghai Silver Paste and DiKe Co., and in the 3C electronics sector, clients include Lenovo, Huawei, and Xiaomi [5][6]. Research and Development - Cumulative R&D investment from 2022 to 2024 amounts to 93.83 million yuan, with a total of 111 patents filed [7][8]. - The company has achieved significant technological advancements, with several products recognized as high-tech and reaching international standards [8]. Ownership Structure - The actual controller of the company is Wang Quan, who, along with Ouyang Xufei, holds a combined 61.8% of the shares [9][10].

Core Viewpoint - The establishment of a wholly-owned subsidiary, Qingdao Wanma Polymer Materials Co., Ltd., aims to enhance production capacity and market competitiveness in the polymer materials sector [1][2]. Group 1: Investment and Project Details - Wanma Polymer plans to invest approximately 1.245 billion yuan in a project to produce 350,000 tons of environmentally friendly polymer materials annually, with funding sourced from its own or self-raised funds [3]. - The project will be developed in three phases from 2025 to 2030, focusing on products such as silane cable materials, low-smoke halogen-free cable materials, PVC cable materials, and shielding materials for cables [3]. Group 2: Company Background - Wanma Polymer is a core subsidiary of Wanma Co., Ltd., established in 1994, recognized as a national key high-tech enterprise and a model unit for intelligent manufacturing by the Ministry of Industry and Information Technology [4]. - The company specializes in a range of polymer materials required for cable manufacturing, with applications across various sectors including transportation, new energy, construction, communication, and electronics [4]. Group 3: Production Capacity - The first phase of the ultra-high voltage insulation material project will have an annual production capacity of 20,000 tons, with subsequent phases also targeting the same capacity [5].