电子行业周报：AI/国产手机持续发展，看好相关产业链发展-20250319

Investment Rating - The report maintains an "Increase" rating for the electronic industry [5]. Core Insights - The AI industry is expected to benefit from Meta Platforms testing its self-developed chip aimed at reducing infrastructure costs, indicating a trend towards in-house chip development in cloud services [10][27]. - The launch of Huawei's first smartphone with the native HarmonyOS is anticipated to significantly benefit the domestic smartphone supply chain [10][27]. - A breakthrough in low-power, high-performance two-dimensional gate-all-around transistors by a Chinese research team is expected to accelerate the domestic semiconductor industry's development [11][28]. Summary by Sections 1. Core Insights and Investment Recommendations - AI: Meta's self-developed chip is set to lower costs and reduce reliance on external suppliers like Nvidia, suggesting a positive outlook for the AI chip industry [10][27]. - Consumer Electronics: The upcoming launch of Huawei's HarmonyOS smartphone is seen as a major advancement for domestic smartphones, benefiting the related supply chain [10][27]. - Domestic Substitution: The development of a new low-power transistor is expected to enhance domestic semiconductor manufacturing capabilities [11][28]. 2. Market Review - The A-share Shenwan Electronics Index fell by 0.62%, underperforming the CSI 300 Index by 2.2 percentage points [15][22]. - Among the six major sub-sectors, components saw the highest increase at 6.68%, while semiconductors experienced the largest decline at 2.11% [16][22]. 3. Investment Recommendations - AI Industry: Recommended companies include Weicet Technology, Huafeng Technology, and others, as they are expected to benefit from the AI trend [12]. - Consumer Electronics: East Mux is recommended, with additional companies like Guanghong Technology and Furi Electronics suggested for attention [12]. - Domestic Substitution: Jiangfeng Electronics is recommended, with companies like Northern Huachuang and Zhongwei Company suggested for further observation [12]. 4. Industry News - Meta Platforms is testing its first self-developed chip for AI training, which could lead to more custom chip designs [27]. - Huawei is set to launch its first smartphone with the native HarmonyOS, marking a significant step for domestic mobile technology [27]. - A Chinese team has developed the world's first low-power, high-performance two-dimensional gate-all-around transistor, which could revolutionize the semiconductor industry [28].