GUOTAI HAITONG SECURITIES·2026-03-30 08:50Investment Rating - The report assigns an "Overweight" rating for the nuclear fusion industry [20]. Core Insights - The nuclear fusion sector is experiencing increased procurement demand, particularly for critical components such as magnets and power supplies, with significant bidding activity reported [20]. - OpenAI is in preliminary discussions with Helion Energy to secure a long-term supply of clean electricity for its AI computing needs, indicating a shift from technological narratives to commercial narratives in the fusion energy sector [16][18]. - The European Union plans to invest over €330 million to support nuclear innovation, with €222 million allocated specifically for fusion research, aiming to enhance energy independence and support the growth of innovative startups [18][19]. Summary by Sections Investment Highlights - The report emphasizes the importance of focusing on key manufacturers in the nuclear fusion supply chain, including: 1. Magnets: Key companies include Lianchuang Optoelectronics and Yongding Co., Ltd. 2. Power Supplies: Relevant companies are Wangzi New Materials, Xuguang Electronics, Aike Saibo, and Sichuan Chuang Electronics. 3. Structural components and subsystems: Recommended companies include Hangyang Co., Ltd., with related companies being Hezhu Intelligent, Guoguang Electric, and Antai Technology [20]. Market Performance - During the week of March 23-27, the nuclear fusion index increased by 0.12%, outperforming the Shanghai Composite Index by 1.22 percentage points [8][9]. Bidding Information - Significant bidding activities were reported, with total procurement amounts reaching several hundred million yuan, focusing on critical components such as magnets and structural parts [10][12]. Domestic and International News - The appointment of Bob Mumgaard, CEO of Commonwealth Fusion Systems, to the President's Council of Advisors on Science and Technology (PCAST) signals the strategic importance of fusion energy in U.S. national competitiveness [13]. - The "Chinese Circulation No. 3" advanced tokamak device has been recognized as one of the "Top Ten Scientific Advances in China," highlighting China's leadership in fusion research [14]. Financing Dynamics - OpenAI's potential agreement with Helion Energy aims to secure up to 5 GW of power by 2030 and 50 GW by 2035, reflecting the growing energy demands of AI technologies [16][17]. - The EU's investment strategy includes establishing public-private partnerships to develop commercially viable fusion technologies and support the growth of startups in the sector [19].