Core Viewpoint - China's investment in controllable nuclear fusion projects has reached a total scale of 136.2 billion yuan, with the next 3-5 years being a critical bidding window for infrastructure construction [1][7]. Group 1: Investment Background - As of July 22, 2025, China Nuclear Power (601985.SH) announced a planned investment of 1 billion yuan to acquire a 6.65% stake in China Fusion Energy Co., marking an acceleration in the commercialization of nuclear fusion in China [4][7]. - Zhejiang Energy Power (600023.SH) also announced an investment of 751 million yuan for a 5% stake in the same company, further indicating the momentum in the nuclear fusion sector [4][13]. - Currently, there are 14 major controllable nuclear fusion projects under construction in China, with a total investment scale of 136.2 billion yuan [1][7]. Group 2: Key Participants - China Nuclear Power is a core participant, investing 1 billion yuan and holding a 6.65% stake in China Fusion Energy Co., which is under the China National Nuclear Corporation [11][12]. - Zhejiang Energy Power, as a traditional power enterprise, is leveraging its background to promote the commercialization of fusion technology through its 751 million yuan investment [14]. - West Superconducting Technologies (688122) is the only domestic supplier of low-temperature superconducting wire for the ITER project, breaking international monopolies in this technology [15][16]. Group 3: Strategic Significance - The investments by state-owned enterprises respond to national strategic requirements for future industries and aim to solidify their core positions in the nuclear fusion sector [12][14]. - The focus on nuclear fusion aligns with the country's energy transition goals, emphasizing the importance of clean energy development [14].

Core Viewpoint - The article discusses the significant investments and developments in controlled nuclear fusion projects in China, highlighting the collaboration between state-owned enterprises and private companies to accelerate the commercialization of fusion energy, which is seen as a key future energy solution [4][13]. Investment and Funding - China National Petroleum Corporation (CNPC) and its subsidiary, China Oil Capital, announced a joint investment of 3.275 billion yuan in Kunlun Capital for controlled nuclear fusion projects [1]. - Last year, there was a surge in financing for controlled nuclear fusion, with notable investments including 290 million yuan from Kunlun Capital for Fusion New Energy [2][3]. Market Dynamics - Several stocks related to controlled nuclear fusion have seen significant price increases, indicating strong market interest and potential profitability in this sector [4]. - The long-term outlook for controlled nuclear fusion is positive, as it promises nearly limitless clean energy, with a much higher energy efficiency compared to nuclear fission [4]. Technological Requirements - Achieving controlled nuclear fusion requires maintaining extremely high temperatures (around 100 million degrees Celsius), sufficient plasma density, and effective energy confinement time [9][10]. - The main technological pathways include magnetic confinement (Tokamak devices) and inertial confinement [6]. Key Projects and Breakthroughs - The EAST (Experimental Advanced Superconducting Tokamak) has achieved significant milestones, including a 1066-second operation at 100 million degrees Celsius [8]. - The HL-3 device has also made breakthroughs, achieving a high confinement mode with a plasma current of one million amperes and a temperature of 100 million degrees [11]. Material and Component Innovations - Superconducting materials and high-temperature materials are crucial for the success of controlled nuclear fusion, with companies like YD Superconducting and Shanghai Superconducting leading in this area [10]. - Various companies are involved in the production of essential components for fusion reactors, including vacuum chambers, superconducting magnets, and heat shielding materials [15]. Industry Collaboration - A national-level initiative has been established to promote controlled nuclear fusion research, involving multiple state-owned enterprises and research institutions [13]. - Private companies are also making significant strides, with New Hope Group and other firms investing heavily in developing fusion technologies [13].