编辑丨王多鱼 排版丨水成文 近年来，随着可穿戴电子、脑机接口和神经康复等前沿技术迅速发展，迫切需要将精密电子器件如同"皮 肤"一般贴合到器官组织上，实现对生理信号的采集和调控。 然而，传统贴附方法往往导致器件内部产生巨大应力，尤其是当贴合在起伏不平的皮肤、大脑或神经表面 时，器件内部脆弱的超薄金属线路和芯片很容易因应力集中而损坏，这成为脑机接口等柔性电子设备发展 的一大瓶颈。 2025 年 9 月 11 日，中国科学院化学研究所 宋延林团队、首都医科大学北京天坛医院 贾旺主任医师 、 南洋理工大学陈晓东教授等，在国际顶尖学术期刊 Science 上发表了题为： Drop-printing with dynamic stress release for conformal wrap of bioelectronic interfaces 的研究论文。 该研究提出了一种新型 超薄膜材料转移策略—— " 液滴打印 " （ drop-printing ） ，利用液滴 将脆弱且 不可拉伸的薄膜贴附到诸如皮肤、聚合物、细胞和神经等复杂基底上，转移后，液滴能够让薄膜贴合时发 生局部滑移，动态释放应力，防止因过度拉伸破裂，实 ...

Core Insights - The article discusses advancements in flexible electronics, particularly a new method for transferring ultra-thin films to biological surfaces without stress damage, which is crucial for applications in wearable electronics and brain-machine interfaces [1][2]. Group 1: Technology Development - A novel ultra-thin film transfer strategy called droplet printing has been developed, which allows for the non-destructive transfer of electronic films to various surfaces, including biological tissues [1][2]. - The droplet printing method creates a temporary lubrication layer during the transfer process, enabling local sliding and dynamic stress release, thus preventing the rupture of delicate electronic components [1][2]. Group 2: Research Applications - The technology has been successfully tested in vivo, where ultra-thin silicon-based electronic films were printed onto the surfaces of mouse nerves and brains, achieving high-resolution infrared control of neural activity [2]. - This research provides critical technological support for the fields of flexible electronics and brain-machine interfaces, addressing the challenge of stress-induced damage during film attachment [2]. Group 3: Collaborative Efforts - The research was a collaborative effort involving multiple institutions, including the Capital Medical University, Nanyang Technological University, and Beijing Tiantan Hospital, highlighting the interdisciplinary nature of the project [2]. - Key contributors to the research include Dr. Li An, Associate Researcher Li Huizeng, and several other experts from the collaborating institutions [2].

Group 1 - The core viewpoint of the news is that Shengyi Technology has shown significant stock price growth and trading activity, with a year-to-date increase of 129.85% and a recent trading volume of 27.36 billion yuan [1] - As of June 30, 2025, Shengyi Technology reported a revenue of 12.68 billion yuan, representing a year-on-year growth of 31.68%, and a net profit attributable to shareholders of 1.43 billion yuan, up 52.98% year-on-year [2] - The company has a diverse business model, with its main revenue sources being copper-clad laminates and bonding sheets (65.96%) and printed circuit boards (28.63%) [2] Group 2 - Shengyi Technology has a total market capitalization of 130.94 billion yuan and a trading turnover rate of 2.17% [1] - The company has distributed a total of 11.94 billion yuan in dividends since its A-share listing, with 3.57 billion yuan distributed in the last three years [3] - As of June 30, 2025, the number of shareholders decreased by 14.25% to 75,100, while the average circulating shares per person increased by 16.61% to 31,561 shares [2]

Company Overview - Lianlong's stock price increased by 2.11% on September 11, reaching 35.32 CNY per share, with a trading volume of 78.93 million CNY and a turnover rate of 1.02%, resulting in a total market capitalization of 8.11 billion CNY [1] - The company specializes in the research, production, and sales of polymer material anti-aging chemical additives, with its main revenue sources being light stabilizers (36.68%), antioxidants (30.41%), lubricant additives (18.70%), U-pack (10.79%), and others (3.35%) [1] Financial Performance - For the first half of 2025, Lianlong achieved operating revenue of 2.995 billion CNY, representing a year-on-year growth of 6.21%, and a net profit attributable to shareholders of 241 million CNY, up 9.60% year-on-year [2] - Since its A-share listing, Lianlong has distributed a total of 450 million CNY in dividends, with 243 million CNY distributed over the past three years [3] Shareholder Information - As of June 30, Lianlong had 17,700 shareholders, a decrease of 0.29% from the previous period, with an average of 12,587 circulating shares per shareholder, down 0.45% [2]

Group 1 - The core viewpoint of the news is that Guangyun Da's stock performance shows fluctuations, with a recent increase in share price and a notable change in shareholder numbers [1][2] - As of September 5, Guangyun Da's stock price rose by 2.09% to 9.28 CNY per share, with a total market capitalization of 5.049 billion CNY [1] - The company has seen a year-to-date stock price increase of 11.40%, but a decline of 6.55% over the last five trading days [1] Group 2 - Guangyun Da's main business segments include laser application services (48.63%), intelligent equipment (24.64%), aerospace components (19.54%), lasers (5.74%), and leasing and others (1.46%) [1] - The company reported a revenue of 498 million CNY for the first half of 2025, reflecting a year-on-year growth of 7.08%, while the net profit attributable to shareholders decreased by 86.66% to 1.7808 million CNY [2] - Since its A-share listing, Guangyun Da has distributed a total of 80.6049 million CNY in dividends, with 12.3645 million CNY distributed over the past three years [3]

Core Viewpoint - The company, Silan Microelectronics, has shown significant growth in revenue and profit, with a notable increase in stock performance and market activity in recent months [1][2]. Financial Performance - For the first half of 2025, Silan Microelectronics achieved a revenue of 6.336 billion yuan, representing a year-on-year growth of 20.14% [2]. - The net profit attributable to shareholders reached 265 million yuan, marking a substantial increase of 1162.42% compared to the previous period [2]. Stock Market Activity - As of September 5, the stock price of Silan Microelectronics rose by 2.00% to 29.04 yuan per share, with a trading volume of 727 million yuan and a turnover rate of 1.52% [1]. - The company’s stock has increased by 11.78% year-to-date, but has seen a decline of 10.56% over the last five trading days [1]. Shareholder Information - As of June 30, the number of shareholders decreased by 8.36% to 261,800, while the average number of circulating shares per person increased by 9.12% to 6,355 shares [2]. - The top ten circulating shareholders include significant institutional investors, with Hong Kong Central Clearing Limited being the second-largest shareholder, holding 65.1353 million shares, an increase of 22.6812 million shares from the previous period [3]. Business Overview - Silan Microelectronics, established on September 25, 1997, and listed on March 11, 2003, specializes in the design, manufacturing, and sales of electronic components and products [1]. - The company's main revenue sources include discrete devices (47.47%), integrated circuits (40.37%), and LEDs (5.47%) [1].

Company Overview - Deep Tianma A's stock price increased by 2.19% on September 5, reaching 9.78 CNY per share, with a total market capitalization of 24.037 billion CNY [1] - The company has seen an 8.31% increase in stock price year-to-date, with a 4.02% decline over the last five trading days, a 4.26% increase over the last 20 days, and a 23.64% increase over the last 60 days [2] - The company specializes in display technologies for mobile smart terminals, automotive displays, and value-added services in medical and industrial control sectors, with 99.05% of its revenue coming from display screens and modules [2] Financial Performance - For the first half of 2025, Deep Tianma A reported revenue of 17.475 billion CNY, a year-on-year increase of 9.93%, and a net profit attributable to shareholders of 206 million CNY, reflecting a significant year-on-year growth of 142.07% [2] - The company has distributed a total of 1.429 billion CNY in dividends since its listing, with no dividends paid in the last three years [3] Shareholder Information - As of August 20, 2025, the number of shareholders for Deep Tianma A was 68,300, an increase of 1.12% from the previous period, with an average of 35,984 circulating shares per shareholder, a decrease of 1.11% [2] - As of June 30, 2025, Hong Kong Central Clearing Limited was the seventh largest circulating shareholder, holding 54.9572 million shares, a decrease of 5.8191 million shares from the previous period [3]

Company Overview - Jingwang Electronics, established on March 9, 1993, and listed on January 6, 2017, is located in Shenzhen, Guangdong Province, specializing in the research, production, and sales of printed circuit boards (PCBs) [1][2] - The company's main business revenue composition is 94.67% from printed circuit boards and 5.33% from other supplementary services [1] Stock Performance - As of September 5, the stock price of Jingwang Electronics increased by 2.02% to 53.08 CNY per share, with a total market capitalization of 50.043 billion CNY [1] - Year-to-date, the stock price has risen by 96.30%, but it has seen a decline of 16.92% in the last five trading days and 10.97% over the last 20 days [1] - The stock has appeared on the daily trading leaderboard five times this year, with the most recent instance on September 2, where it recorded a net buy of -50.4725 million CNY [1] Financial Performance - For the first half of 2025, Jingwang Electronics reported a revenue of 7.095 billion CNY, representing a year-on-year growth of 20.93%, while the net profit attributable to shareholders decreased by 1.06% to 650 million CNY [2] - The company has distributed a total of 3.057 billion CNY in dividends since its A-share listing, with 1.593 billion CNY distributed in the last three years [3] Shareholder Structure - As of June 30, 2025, the number of shareholders decreased by 15.29% to 41,600, with an average of 22,190 circulating shares per shareholder, an increase of 18.29% [2] - Notable institutional shareholders include Hong Kong Central Clearing Limited, which holds 12.1388 million shares, and Southern CSI 500 ETF, which increased its holdings by 2.3751 million shares [3]

Company Overview - Guangyunda Optical Technology Co., Ltd. is located in Nanshan District, Shenzhen, Guangdong Province, established on October 25, 2005, and listed on June 8, 2011 [1] - The company specializes in laser application services and innovative solutions for intelligent manufacturing in the electronic information and aerospace sectors [1] - The revenue composition includes: Laser application services 48.63%, Intelligent equipment 24.64%, Aerospace components 19.54%, Lasers 5.74%, Leasing and others 1.46% [1] Financial Performance - As of August 20, the number of shareholders is 39,900, a decrease of 2.31% from the previous period; the average circulating shares per person increased by 2.37% to 10,340 shares [2] - For the first half of 2025, Guangyunda achieved operating revenue of 498 million yuan, a year-on-year increase of 7.08%; however, the net profit attributable to shareholders decreased by 86.66% to 1.78 million yuan [2] Stock Performance - On September 4, Guangyunda's stock price fell by 2.10%, trading at 9.34 yuan per share, with a total market capitalization of 5.08 billion yuan [1] - Year-to-date, the stock price has increased by 12.12%, but it has decreased by 9.76% over the last five trading days and by 1.37% over the last 20 days [1] - The stock's trading volume on September 4 was 122 million yuan, with a turnover rate of 3.09% [1] Dividend Information - Since its A-share listing, Guangyunda has distributed a total of 80.61 million yuan in dividends, with 12.36 million yuan distributed over the past three years [3]

Company Overview - Dongshan Precision Manufacturing Co., Ltd. is located in Suzhou, Jiangsu Province, and was established on October 28, 1998. The company was listed on April 9, 2010. Its main business includes the manufacturing and service of precision sheet metal parts and precision castings, as well as flexible circuit board design, production, and sales [1][2]. Financial Performance - For the first half of 2025, Dongshan Precision achieved operating revenue of 16.955 billion yuan, representing a year-on-year growth of 1.96%. The net profit attributable to the parent company was 758 million yuan, showing a year-on-year increase of 35.21% [2]. - Since its A-share listing, the company has distributed a total of 1.544 billion yuan in dividends, with 731 million yuan distributed in the last three years [3]. Stock Performance - As of September 4, Dongshan Precision's stock price was 63.28 yuan per share, with a market capitalization of 115.904 billion yuan. The stock has increased by 117.23% year-to-date, with a 3.84% rise over the last five trading days and a 21.13% increase over the last 20 days [1]. - The company has appeared on the "龙虎榜" (a list of stocks with significant trading activity) six times this year, with the most recent appearance on September 1 [1]. Shareholder Information - As of August 29, the number of shareholders for Dongshan Precision was 82,500, a decrease of 18.07% from the previous period. The average number of circulating shares per shareholder increased by 22.05% to 16,793 shares [2]. - The largest circulating shareholder is Hong Kong Central Clearing Limited, holding 63.4631 million shares, an increase of 14.0925 million shares from the previous period. Morgan Emerging Markets Dynamic Mixed A Class is a new entrant among the top ten circulating shareholders, holding 12.4684 million shares [3]. Industry Context - Dongshan Precision operates within the electronic components sector, specifically in the printed circuit board (PCB) industry. It is associated with several concept sectors, including overseas expansion, optical communication, new infrastructure, PCB concepts, and flexible electronics [2].