团队通过计算机模拟发现，新材料在高温下通过"增强孪晶"这一独特变形机制维持强度。这项突破展现 了增材制造技术的创新潜力，为研制更轻、更强、更节能的交通工具开辟了新路径。 （文章来源：科技日报） 研究团队借鉴钢筋混凝土的构造原理，通过3D金属打印技术，构建出独特的金属基复合材料。这种材 料以钛合金网状结构为"钢筋骨架"，再通过微铸技术填充铝硅镁合金作为"水泥基质"，其中还分布着强 化性能的纳米级沉淀颗粒。 相较于传统铝合金在高温下易软化（500℃时强度仅约5兆帕）的缺陷，新材料的性能表现令人惊艳。室 温条件下屈服强度达700兆帕，500℃高温环境下仍保持300—400兆帕的强度，堪比中档钢材，重量却减 轻三分之二。屈服强度是材料科学中的一个重要概念，指材料在受到外力作用时开始发生塑性变形的应 力极限。 加拿大多伦多大学研究团队研发出一种新型复合材料，在500℃高温环境下仍能保持轻质高强的特性， 有望应用于航空航天领域。相关成果发表于新一期《自然·通讯》杂志。 ...

Group 1 - The Aerospace ETF (159267) is actively traded with a turnover rate of 5.30%, and constituent stocks such as Zhongbing Hongjian and Hangxin Technology have seen gains of over 2% [1] - The Aerospace ETF has a net capital flow rate of 77.34% over the past 20 trading days, ranking first among similar assets [1] - The fund closely tracks the Guozheng Aerospace Industry Index, which consists of securities from the aerospace sector on the Shanghai and Shenzhen stock exchanges, reflecting the overall performance of this industry [1] Group 2 - The launch of China's first electromagnetic catapult aircraft carrier, Fujian, marks a significant milestone, showcasing advanced technology and domestic design capabilities [1] - Southwest Securities indicates that the aerospace and low-altitude economy sectors are benefiting from national policy support, with various local governments implementing measures to promote industry development [2] - The emergence of innovative products such as unmanned aerial vehicles and flying cars highlights the potential of the low-altitude economy, with companies actively exploring international markets [2] Group 3 - The application of additive manufacturing technology in the aerospace sector is increasingly widespread, addressing traditional manufacturing bottlenecks and enhancing component integration [2] - This technology is expected to optimize the aerospace supply chain, drive technological innovation, and improve efficiency, contributing to high-quality development in the industry [2]

Group 1 - Aerospace ETF Tianhong (159241) has seen a 0.52% increase, marking a three-day upward trend with a trading volume of 57.05 million yuan and a turnover rate of 12.89% [3] - Key component stocks such as Great Wall Industry (601606) rose by 7.39%, Inner Mongolia First Machinery (600967) by 4.06%, and Construction Industry (002265) by 3.78% [3] - The Aerospace ETF Tianhong (159241) has experienced a significant growth of 285 million yuan in scale over the past three months, with a total of 23.2 million shares added [3] Group 2 - The Securities ETF (159841) has reached a new high since its inception, with a scale of 8.311 billion yuan and a total of 7.146 billion shares [3] - The Aerospace ETF Tianhong (159241) has attracted a total of 13.4984 million yuan in inflows over the last ten trading days [3] Group 3 - The Aerospace ETF Tianhong (159241) effectively captures investment opportunities in themes such as low-altitude economy, large aircraft, and satellite internet, benefiting from both policy and market support [4] - The Securities ETF (159841) is designed to provide a concentrated investment in top brokerage firms, with nearly 60% of its holdings in leading firms and 40% in smaller firms, offering a high-efficiency investment tool [4] Group 4 - XPeng Heavens has made significant progress with its "land aircraft carrier" (X3-F) receiving a special flight permit in the UAE, marking a milestone for Chinese flying car companies [5] - The production facility in Guangdong is set to begin operations in Q4 2023, aiming to become the world's first flying car manufacturing base, with 300 million yuan in orders already secured [5] Group 5 - According to AVIC Securities, the aerospace industry is evolving towards smaller, high-intensity, lightweight, reliable, low-cost, and high-performance equipment, increasing the demand for advanced manufacturing technologies [6] - Additive manufacturing technology is highlighted for its advantages in short processing cycles and high material utilization, providing new opportunities for aerospace equipment development [6]

Core Viewpoint - The 2025 (Fourth) Polymer 3D Printing Materials Summit will focus on the integration of advanced materials and technologies in various high-end applications, emphasizing the importance of 3D printing in driving innovation across industries such as aerospace, automotive, and biomedical sectors [1][2]. Group 1: Event Overview - The summit will take place from July 18-20, 2025, in Hangzhou, Zhejiang [1]. - It aims to create a comprehensive platform for experts and industry leaders to discuss the latest trends, innovations, and application needs in the additive manufacturing industry [2]. Group 2: Key Themes and Challenges - The forum will address core demands for integration, lightweight design, high performance, and customization in 3D printing materials and processes [2]. - Despite the advancements, challenges remain in achieving multi-variety, large-scale, low-cost, high-precision, and ultra-fast 3D printing capabilities [1]. Group 3: Notable Participants - The event will feature prominent speakers from various institutions, including: - Xie Tao from Zhejiang University, focusing on multifunctional smart polymers [6]. - Yan Chunze from Huazhong University of Science and Technology, specializing in powder bed fusion laser additive manufacturing technology [7]. - Tian Xiaoyong from Xi'an Jiaotong University, discussing advanced composite material 3D printing technology [9]. - Zhu Guang from Qingfeng Technology, sharing insights on smart materials in orthodontic applications [11]. Group 4: Supporting Organizations - The summit is organized by the Polymer Materials and Engineering Branch of the Chinese Materials Research Society, with support from various research institutes and companies [4][5].

Core Viewpoint - The company, Plater, faced regulatory scrutiny due to early revenue recognition in 2023, leading to inaccurate financial disclosures. The company has responded to inquiries regarding its inventory and revenue recognition practices, asserting compliance with industry norms and customer requirements [1][2]. Financial Performance - In 2024, Plater achieved total revenue of 1.326 billion yuan, a year-on-year increase of 15.02%, while net profit attributable to shareholders was 104 million yuan, a decrease of 5.26% [2]. - The fourth quarter of 2024 was crucial for revenue growth, contributing 40.21% to the annual revenue, with the top five customers generating 260 million yuan in revenue [2]. Accounts Receivable - Accounts receivable have been increasing, from 554 million yuan at the end of 2022 to 964 million yuan by the end of 2024 [2]. - The company stated that all customers with accounts receivable over one year are state-owned enterprises, and the long payment cycles are due to industry characteristics rather than relaxed credit policies [3]. Inventory Levels - As of the end of 2024, Plater's inventory balance reached 872 million yuan, a significant increase of 48.81% compared to the end of 2023 [4]. - The inventory includes work-in-progress of 129 million yuan and finished goods of 170 million yuan, with respective year-on-year increases of 211.19% and 64.65% [4]. Product Transition and Delivery - The company reported a post-period transfer amount of 101 million yuan, with a transfer rate of 78.41% for work-in-progress products. The remaining untransferred products are primarily due to long production times and the need for assembly with other components [5]. - The transfer rate for finished goods was lower at 50.68%, attributed to products awaiting customer notification or those held in anticipation of orders [5].

Core Viewpoint - The price of tungsten has reached historical highs due to supply-demand dynamics, with black tungsten concentrate prices rising by 18.2% from April to May 2023, and ammonium paratungstate (APT) prices increasing by 17% in the same period [1][2]. Supply Dynamics - The overall supply of tungsten raw materials is decreasing, primarily due to a reduction in mining quotas and declining ore grades in existing mines. The first batch of tungsten mining quotas for 2025 has been set at 58,000 tons, a decrease of 4,000 tons from the previous year [2][3]. - Major tungsten production regions in China, such as Jiangxi and Hunan, are experiencing quota reductions, with Jiangxi's quota down by 2,370 tons compared to the previous year [2]. - The tightening of mining regulations and the decline in ore grades from older mines are significant factors contributing to the reduced supply [3]. Demand Potential - There is potential for growth in tungsten demand across various sectors, including PCB cutting tools, low-altitude economy, and emerging technologies like controlled nuclear fusion and additive manufacturing [3][4]. - The rapid development of new energy vehicles is expected to drive demand for tungsten in specific applications, despite a potential short-term decline in demand from the steel metallurgy sector [4]. Industry Outlook - Industry experts maintain an optimistic outlook for the tungsten sector, anticipating continued price increases due to limited supply and rising production costs [5][6]. - The current price levels are seen as undervalued, with expectations for tungsten prices to stabilize around a new higher price center [6]. - The demand for tungsten in photovoltaic applications is also expected to grow, contributing to a positive long-term outlook for the tungsten industry [6].

Core Viewpoint - The 2025 Polymer 3D Printing Materials Summit aims to address the challenges and opportunities in additive manufacturing, particularly in high-end applications such as aerospace, biomedical, and robotics, while promoting collaboration across the industry [1][2]. Forum Background - Additive manufacturing technology (3D printing) is recognized for its design flexibility, material efficiency, and customization capabilities, driving advancements in various sectors including aerospace and biomedical [1]. - The integration of "Artificial Intelligence +" is expected to create unprecedented opportunities for industrial upgrades, despite existing challenges in achieving high-volume, low-cost, and high-precision 3D printing [1]. Forum Information - The forum will take place in July 2025 in Hangzhou, Zhejiang [3]. - Key figures include Xia Hesheng from Sichuan University, Wu Lixin from the Chinese Academy of Sciences, and Li Xiping from Zhejiang Normal University as conference chairs [3]. Forum Organization - Organized by the Polymer Materials and Engineering Branch of the Chinese Materials Research Society, with multiple co-organizers and supporting media [5]. Core Subjects - The main topics include the opportunities and challenges in additive manufacturing, breakthroughs in AI and 3D printing, innovations in industrial applications, and advancements in biomedical 3D printing technologies [8][9][10]. Registration and Fees - Registration fees are set at ¥3000 for regular attendees and ¥1800 for students, with early bird discounts available [10].

Core Viewpoint - The 2025 Polymer 3D Printing Materials Summit aims to address the challenges and opportunities in additive manufacturing, particularly in high-end applications such as aerospace, automotive, and biomedical fields, while promoting collaboration across the industry [1][2]. Forum Background - Additive manufacturing technology (3D printing) is recognized for its design flexibility, material efficiency, and customization capabilities, driving advancements in various sectors including aerospace and biomedical [1]. - The integration of "Artificial Intelligence +" is expected to create unprecedented opportunities for industrial upgrades, despite existing challenges in achieving high-volume, low-cost, and high-precision 3D printing [1]. Forum Information - The summit will take place in July 2025 in Hangzhou, Zhejiang, organized by the Polymer Materials and Engineering Branch of the Chinese Materials Research Society [2][3]. - Key figures include Chairpersons from Sichuan University, the Chinese Academy of Sciences, and Zhejiang Normal University [3]. Forum Agenda - The event will span three days, featuring a main forum on opportunities and challenges in additive manufacturing, with specific themes focusing on AI integration, industrial innovations, and biomedical applications [4][6]. - Activities include keynote speeches, technology showcases, and networking opportunities [4]. Core Topics - Key topics include breakthroughs in AI and 3D printing, innovations in industrial applications, and advancements in biomedical 3D printing technologies [6][7]. - Specific areas of focus will cover high-performance polymer materials, multi-material manufacturing, and the integration of AI in additive manufacturing processes [7]. Registration and Fees - Registration fees are set at ¥3000 for regular attendees and ¥1800 for students, with early bird discounts available [9]. - Payment options include bank transfers and online payment methods, with detailed instructions provided for registration [11].

Core Viewpoint - The 3D printing industry in China is experiencing significant growth in 2024, with total import and export value reaching 9.824 billion yuan, a year-on-year increase of 30.31% [3]. Company Performance Summary Platinum Technology (铂力特) - Revenue for 2024 is 1.326 billion yuan, with a net profit of 104 million yuan - Revenue increased by 15.02% year-on-year, while net profit decreased by 5.26% [3] Huazhu High-Tech (华曙高科) - Revenue for 2024 is 492 million yuan, with a net profit of 67.21 million yuan - Revenue decreased by 18.82% year-on-year, and net profit decreased by 48.76% [4] Sikan Technology (思看科技) - Revenue for 2024 is 333 million yuan, with a net profit of 121 million yuan - Revenue increased by 22.41% year-on-year, and net profit increased by 5.49% [5] Xianlin 3D (先临三维) - Revenue for 2024 is 1.202 billion yuan, with a net profit of 226 million yuan - Revenue increased by 18.07% year-on-year, and net profit increased by 59.08% [7] Guanghua Weiye (光华伟业) - Revenue for 2024 is 544 million yuan, with a net profit of 26.89 million yuan - Revenue increased by 29.85% year-on-year, while net profit decreased by 39.01% [8] Fenghua Zhuoli (峰华卓立) - Revenue for 2024 is 184 million yuan, with a net loss of 20.89 million yuan - Revenue decreased by 9.34% year-on-year, transitioning from profit to loss [9] Jiayi High-Tech (嘉一高科) - Revenue for 2024 is 71.09 million yuan, with a net loss of 1.685 million yuan - Revenue decreased by 14.60% year-on-year, transitioning from profit to loss [10] Aurora Innovation (极光创新) - Revenue for 2024 is 22.97 million yuan, with a net loss of 2.33 million yuan - Revenue increased by 34.08% year-on-year, with a significant reduction in loss by 58.39% [12] Industry Overview - The 3D printing industry in 2024 shows strong growth, with some companies achieving significant revenue and profit increases through technological innovation and market expansion. However, challenges such as market competition and rising costs have led to losses for other companies [3].

Core Viewpoint - The 2025 (Fourth) Polymer 3D Printing Materials Summit aims to address the challenges and opportunities in additive manufacturing, particularly in high-end applications such as aerospace, automotive, drones, humanoid robots, and biomedical fields, emphasizing the integration of AI and the need for innovation in materials and processes [1][2]. Forum Background - Additive manufacturing technology (3D printing) is recognized for its design flexibility, material efficiency, and customization capabilities, driving advancements in various sectors including aerospace and biomedical [1]. - The technology faces challenges in achieving multi-variety, large-scale production, low-cost, high-precision, and super-fast 3D printing, as well as multi-material functionality [1]. Forum Information - The summit will take place in July 2025 in Hangzhou, Zhejiang, organized by the Polymer Materials and Engineering Branch of the Chinese Materials Research Society [2]. - Key figures include Chairpersons Xia Hesheng, Wu Lixin, and Li Xiping, who are prominent professors and researchers in the field [2]. Forum Organization - The event is supported by various organizations, including Jiangsu Jicui Advanced Polymer Materials Research Institute and Nanjing Mofeng 3D Technology Co., Ltd., among others [4]. Forum Schedule - The three-day event includes registration, opening ceremonies, and multiple thematic discussions focusing on opportunities and challenges in additive manufacturing, AI integration, and innovations in various industrial applications [5][7]. Core Subjects - Key topics include the development trends of additive manufacturing under new international circumstances, the integration of AI with additive manufacturing, advancements in materials, and the localization of core components [8]. - Specific applications discussed will cover high-performance polymer materials, multi-material manufacturing, and innovations in 3D printing technologies across various sectors [8]. Registration and Fees - Registration fees are set at ¥3000 for regular attendees and ¥1800 for students, with early bird discounts available [9].