Core Insights - The report from China Merchants Securities highlights the accelerated industrialization process of controllable nuclear fusion, transitioning from experimental validation to engineering demonstration, with a focus on material performance breakthroughs as a core bottleneck [1][2] - The overall domestic production rate of key nuclear fusion equipment exceeds 96%, with significant advancements in core components such as tungsten-based divertors and high-temperature superconducting materials [1] - The industry is entering a new phase characterized by "multiple routes racing + capital resonance," with a recommendation to focus on leading companies and suppliers of domestically replaced materials and core components [1] Group 1: Industrialization Progress - The urgency of global energy transition is propelling controllable nuclear fusion as a clean energy solution, moving towards engineering and commercialization [1] - The magnetic confinement tokamak route currently dominates the industrialization process, while inertial confinement and hybrid routes are also developing in parallel [1] - China is leveraging major scientific devices like EAST and BEST to achieve breakthroughs in key areas, with the BEST device expected to demonstrate fusion energy generation by 2027 [1] Group 2: Material Innovation - Material innovation is identified as the core bottleneck and breakthrough point for current industrialization, with extreme operational environments demanding near-limit performance from materials [2] - Key materials include high melting point and radiation-resistant materials for first walls/divertors, and the transition from low-temperature to high-temperature superconductors to enhance magnetic field strength [2] - Domestic companies have made significant progress in areas such as tungsten-copper divertors and superconducting wires, but challenges remain in material reliability verification and cost control [2] Group 3: Market Opportunities - The energy equipment sector is seeing significant growth, with leading enterprises establishing clear paths for core component R&D and industrialization [3] - Companies involved in superconductors, first walls, and divertor materials are expected to benefit significantly from this growth [3] - Military enterprises are extending their high-precision manufacturing capabilities into civilian sectors, with companies like Sui Chuang Electronics and Wangzi New Materials gaining early advantages in supporting roles [3] Group 4: Recommended Companies - Companies to focus on include Guoguang Electric, Hezhu Intelligent, Lianchuang Optoelectronics, Western Superconducting, Sui Chuang Electronics, Wangzi New Materials, Parker New Materials, Antai Technology, Yongding Co., Xuguang Electronics, Sui Rui New Materials, Zhongzhou Special Materials, and Jiuli Special Materials [4]

Investment Rating - The report maintains a positive outlook on the controllable nuclear fusion industry, particularly during the "14th Five-Year Plan" period, suggesting a focus on the expansion of capital expenditures and the associated opportunities in the power supply systems for FRC and Z-pinch devices [2]. Core Insights - The power supply is deemed the "lifeline" of controllable nuclear fusion devices, with a significant value contribution. The report highlights that the power supply systems for nuclear fusion devices require high capacity (around 100MW), high voltage (up to 1MV), and high current (up to 100kA), with low ripple (1%-2%), indicating a higher complexity compared to traditional industrial power supplies [4][18]. - The report emphasizes the expected release of multiple orders due to the expansion of capital expenditures in the controllable nuclear fusion sector, driven by the construction of Tokamak and Z-pinch devices, as well as the commercial development of FRC devices [4][21]. Summary by Sections Section 1: Power Supply as the Lifeline of Controllable Nuclear Fusion Devices - The report categorizes nuclear fusion technology into magnetic confinement, inertial confinement, and magneto-inertial confinement, with Tokamak being the mainstream approach [12][14]. - The power supply system is identified as a core component of nuclear fusion devices, with a high value contribution, particularly in Tokamak systems where the power supply accounts for approximately 15% of the total value [18][23]. Section 2: Tokamak Requires Long Pulse Operation, Core is Pulse Power Supply - The Tokamak pulse power supply consists of magnet power supply, auxiliary heating power supply, and reactive power compensation systems, which are critical for plasma formation and maintenance [27]. - The report details the technical requirements for the magnet power supply, including high current, low ripple, and fast response times, indicating significant technical barriers [30][37]. Section 3: High Value Contribution of FRC and Z-Pinch Power Supply, Focus on Core Components - The FRC device is noted for its simplicity and lower costs, with expectations for early commercialization, while the Z-pinch approach has a high value contribution from its driver components [4][21]. - The report highlights the importance of fast control switches and pulse capacitors in the power supply for both FRC and Z-pinch devices, indicating a growing market opportunity [4][21]. Section 4: Investment Recommendations - Specific companies are highlighted for their potential in the nuclear fusion power supply market, including Xuguang Electronics, Wangzi New Materials, Guoli Co., and others, which are positioned to benefit from the expanding demand in this sector [4][22].