一块布，卡了英伟达的脖子？

Core Viewpoint - The article emphasizes the critical role of high-end electronic fabric in the AI computing power revolution, highlighting that Japanese companies dominate this market, controlling nearly 70% of the global high-end electronic fabric market, which is essential for AI chip performance [4][6][9]. Group 1: Japanese Dominance in High-End Electronic Fabric - Japanese companies such as Nitto Denko, Asahi Kasei, and AGC dominate the high-end electronic fabric market, which is crucial for AI computing power [6][9]. - These companies have established a significant competitive advantage through decades of research and development, creating a robust patent network that covers the entire production process [9][10]. - The high cost of entry into this market, with investments in production facilities reaching up to 1.5 billion yuan, deters potential competitors, allowing Japanese firms to maintain their market position [9][10]. Group 2: Chinese Companies' Response and Innovations - Chinese companies have begun to challenge the Japanese monopoly, with firms like Honghe Technology and Linzhou Guangyuan making significant advancements in ultra-thin and low-dielectric electronic fabrics [10][11]. - Honghe Technology successfully produced 9-micron ultra-thin electronic fabric in 2021, breaking the long-standing foreign monopoly [10][11]. - Linzhou Guangyuan achieved mass production of low-dielectric fabric in 2021, marking a significant milestone in the industry [11][12]. Group 3: Material Revolution and Future Opportunities - The next generation of quartz electronic fabric is emerging as a critical material for AI applications, providing an opportunity for Chinese companies to leapfrog in technology [12][19]. - Companies like Feilihua are leading the charge in developing M9-level quartz fabric, which has been certified by NVIDIA, thus providing an alternative to Japanese suppliers [12][14]. - The ongoing material revolution is seen as essential for China's technological independence and advancement in various high-tech sectors, including aerospace, new energy, and semiconductors [19][20].