通信行业研究：特朗普关税令落地，长期看好国产算力链

Investment Rating - The report suggests focusing on domestic AI-driven sectors such as servers, IDC, switches, switch chips, optical modules, and liquid cooling, as well as overseas AI-driven sectors like servers, switches, and optical modules [5] Core Insights - The Trump administration's tariffs on China are expected to pressure high export-exposed sectors in the short term, while domestic alternatives in computing power are recommended for investment [2][3] - OpenAI has secured a significant $40 billion funding round, with approximately $18 billion allocated for the "Stargate" data center project [3][7] - The OFC 2025 conference showcased advancements in optical communication technologies, highlighting the importance of 1.6T optical modules and 200G optical chips [2][10] Summary by Sections Communication Sector - The communication sector is experiencing steady growth, with operators reporting a 0.9% year-on-year increase in telecom revenue for the first two months of 2025, totaling CNY 295 billion [17][18] - Domestic IDC manufacturers are less affected by tariffs due to their low overseas revenue exposure and strong supply chain control [13] Server Market - The server index has seen a decline of 1.37% this week, but demand for computing power remains strong due to ongoing capital expenditures from North American cloud providers [7][10] - Major players like Microsoft, Google, and Amazon are significantly increasing their capital expenditures for data centers, indicating robust demand for server infrastructure [7][10] Switch Market - The OFC conference highlighted the introduction of new optical circuit switches (OCS) designed for AI workloads, which promise low latency and high scalability [10][11] - Domestic switch manufacturers are beginning to enter the commercial phase with new products, while the overall industry is still in its early stages [10][11] Optical Module Market - The optical module index has decreased by 0.89% this week, with a focus on low-power designs and innovations in CPO/MPO technologies [11][30] - The demand for optical modules is expected to remain strong, driven by AI advancements and infrastructure needs [11][30]