Zhi Tong Cai Jing·2025-07-31 07:49Group 1 - The core component of fusion devices is the fusion power supply, which enhances the fusion "triple product" by optimizing heating temperature and energy confinement time, thus promoting fusion ignition [1][2] - The overall technical and customer barriers for power supply are high, with power supply costs accounting for 30%-50% of the total device cost [1][5] - The investment climate for fusion in China is improving, and the demand for fusion power supply is expected to be fully released as multiple technical routes progress simultaneously [1][5] Group 2 - The power supply plays a crucial role in assisting plasma heating and controlling plasma position, with strict requirements for precision to avoid electromagnetic radiation hazards [2][3] - Different fusion routes, such as linear, Z-pinch, and stellarator, have stringent requirements for power supply, with costs for linear devices reaching about 50% and Z-pinch devices around 30% of total costs [4][5] - Domestic capabilities for core components of power supplies have been established, reducing reliance on imports for critical components like electron tubes [3][5] Group 3 - Recommended stocks include Aikesaibo (688719.SH), with attention to Yingjie Electric (300820.SZ), Guoguang Electric (688776.SH), Xuguang Electronics (600353.SH), Hongxun Technology (603015.SH), and Wangzi New Materials (002735.SZ) [6]