Soochow Securities·2025-12-30 14:02Investment Rating - The report maintains a rating of "Buy" for the electronic industry [1] Core Insights - The electronic industry is expected to experience significant growth driven by advancements in AI technology and the domestic supply chain's maturation, particularly in cloud and edge computing [11][15] - The report highlights the importance of 3D DRAM as a key hardware innovation for AI applications, with expectations for substantial demand growth in 2026 [22][27] - The shift towards high-density interconnects and advanced power supply architectures is crucial for supporting the increasing power density of AI data centers [50][56] Summary by Sections Cloud Computing Power - The domestic computing power supply chain is accelerating, with significant performance releases expected from local manufacturers like Zhongke Shuguang and Huawei [11] - The transition from Scale-Out to Scale-Up networking is enhancing bandwidth and reducing latency, which is critical for AI applications [11] Edge Computing Power - The integration of edge and cloud computing is becoming essential for AI applications, with edge devices benefiting from advancements in SoC technology [15][17] - Companies like Jingchen and Ruixinwei are positioned to capitalize on the growing demand for edge AI solutions [19] 3D DRAM - 3D DRAM is anticipated to become mainstream in 2026, driven by its high bandwidth and low cost, making it essential for various AI applications [22][27] - Companies such as Zhaoyi Innovation are expected to lead in the development of 3D DRAM technologies [28] AI Models - The optimization of AI models is crucial for enhancing performance and user experience, with a focus on local processing capabilities [29][30] - The collaboration between terminal manufacturers and model providers is expected to evolve, shaping the competitive landscape [30][33] AI Terminals - 2026 marks the beginning of a new era for AI terminals, with major companies like Meta, Apple, and Google launching innovative products [34][36] - The development of new terminal forms, such as smart glasses and desktop robots, is expected to drive market growth [34][35] Longxin Chain - Longxin's expansion plans are set to enhance the DRAM supply chain, with a focus on 3D architecture to improve performance and efficiency [38][39] - The company is expected to benefit from increased capital investment and technological advancements [39][41] Wafer Foundry - The domestic wafer foundry industry is entering a new expansion phase, particularly in advanced logic processes [42][43] - Key players like SMIC and Huahong are expected to lead this expansion, addressing the growing demand for advanced chips [44] PCB Industry - The PCB market is poised for growth, driven by the demand for high-performance materials and advanced designs [45][48] - Companies like Shenghong Technology are expected to benefit from the rising demand for AI-related PCB applications [49] Optical-Copper Interconnection - The demand for optical and copper interconnections is increasing, driven by the growth of AI computing clusters [50][52] - Companies such as Changguang Huaxin are well-positioned to capitalize on this trend [53] Server Power Supply - The shift to HVDC power supply architectures is becoming essential for AI data centers, addressing the challenges of increasing power density [55][56] - Companies like Oulu Tong are expected to lead in the development of advanced power supply solutions [56]