科技行业周报：算力景气持续，关注产业链延伸机会-20250811

Investment Rating - The report maintains a strong positive outlook on the AI application-driven demand for computing power, indicating a sustained high growth trajectory in the industry [2]. Core Insights - The computing power industry is experiencing a resonance between domestic and international supply chains, with a continuous high demand for computing power from overseas [2]. - The report highlights that the domestic computing power supply chain is in a tight balance, with key bottlenecks gradually being addressed over time, leading to ongoing positive catalysts in the market [2]. - Investment opportunities in domestic computing power are expected to emerge in the second half of the year and into the next year [2]. Summary by Sections Overseas Computing Power Supply Chain Investment Opportunities - The report suggests focusing on high-end PCB, optical modules, and server ODM sectors, which are expected to maintain high profitability and a tight supply-demand balance [3]. High-end PCB Industry Opportunities - The report discusses the transition from copper cable solutions to orthogonal backplane solutions in NVIDIA's Rubin series, which is expected to enhance design and operational efficiency [6]. - The orthogonal backplane solution involves three 26-layer PCB boards, with a single cabinet requiring approximately four backplanes, valued at 200,000 to 300,000 yuan each [6]. - Domestic manufacturers with capabilities in copper paste sintering are likely to become core suppliers, with recommendations to focus on companies like Shenzhen South Circuit (002916), Jingwang Electronics (603228), and Dongshan Precision (002384) [6]. Liquid Cooling Industry Opportunities - Domestic liquid cooling leader Y Company has entered Meta's supply chain, providing key components with an initial market share of approximately 5-8% [5]. - The report anticipates accelerated penetration of liquid cooling in AI servers, driven by the promotion of NVIDIA's Rubin series and Google's TPU servers [5]. - Companies such as Invec (002837) and Chuanhuan Technology (300547) are recommended for investment [5]. Domestic Computing Power Supply Chain - The report emphasizes investment in core computing hardware companies like Cambricon (688256) and foundries like SMIC (0981.HK) [7]. - The report notes that due to geopolitical considerations, ByteDance has paused its ASIC chip design project with Broadcom and is now working with domestic design service providers [7]. Traditional Analog Chip Recovery Opportunities - The analog chip sector is benefiting from domestic substitution and local-for-local demand, with wafer fab utilization rates remaining high and terminal prices increasing by 10-20% [9]. - Companies such as Huahong Semiconductor (1347.HK), Naxin Micro (688052), and Sireen (688536) are highlighted for investment opportunities [9]. Investment Recommendations - The report recommends buying shares in Huahong Semiconductor (1347.HK) and Cambricon (688256), among others, while noting that several companies remain unrated [10][12].