Changjiang Securities·2025-07-21 08:28Investment Rating - The report maintains a "Positive" investment rating for the electrical equipment industry [10]. Core Insights - Recent advancements in nuclear fusion technology have garnered significant attention from the capital markets, driven by breakthroughs such as China's "East Super Ring" achieving high-confinement plasma operation and substantial increases in industry capital expenditures [4][7]. - Major countries have introduced supportive policies, leading to a surge in social capital inflow, indicating that the nuclear fusion sector is approaching a pivotal point [4][30]. - The value proportion of power supply equipment is high, with significant technical barriers, particularly in magnet power supply parameters and converters being core devices [4][8]. Summary by Sections Nuclear Fusion Progress and Commercialization - The nuclear fusion sector is witnessing positive developments, with commercial viability becoming increasingly attainable. Key milestones include the successful operation of high-confinement plasma and increased capital expenditures in the industry [7][26]. - The plasma physics research institutes have reported a significant year-on-year increase in contract amounts since 2024, indicating a robust growth trajectory [29]. Importance of Power Supply in Fusion - Achieving a certain threshold in fusion triple product is crucial for effective power output, highlighting the importance of providing sufficient energy input [8]. - The power supply for tokamak devices is categorized into pulsed and steady-state loads, with pulsed loads having higher value proportions and technical requirements [8]. Competitive Landscape and Early Mover Advantage - The nuclear fusion development is still exploratory, with no unified standards for power supply parameters, creating high technical barriers [9]. - Companies that have been deeply involved in this field for years are likely to benefit from their early mover advantages as more capital flows into the nuclear fusion sector [9][30]. Investment Trends and Policy Support - The investment in nuclear fusion has seen a turning point since 2020, with the U.S. leading globally, followed closely by China. The cumulative investment in private fusion companies has surged from €1.5 billion to €9.9 billion [35]. - Various countries, including the U.S., Germany, the U.K., and China, have launched initiatives to support nuclear fusion technology development, reflecting a global commitment to advancing this field [30][31]. Focus on High-Value Equipment - The report emphasizes the need to focus on high-value equipment in the nuclear fusion sector, particularly in the context of the ITER project, where core equipment constitutes a significant portion of the investment cost structure [47][48].