机械设备：三澳核电项目1号机组冷试成功，美国公布2050年前核电增至三倍的计划

Investment Rating - The industry investment rating is "Strongly Outperform the Market" [2][7]. Core Insights - The successful cold test of the No. 1 unit of the Zhejiang San'ao Nuclear Power Project marks a significant milestone in the transition from installation to commissioning phase for nuclear power plants [1]. - The U.S. government plans to triple its nuclear power capacity by 2050, aiming to add 200 gigawatts of nuclear energy through new reactors, plant restarts, and upgrades to existing facilities [1]. - Nuclear power is recognized for its clean, safe, and efficient characteristics, making it a crucial player in the green energy transition and energy security [1]. Summary by Sections Nuclear Power Project Developments - The cold test of the No. 1 unit of the San'ao Nuclear Power Project was successfully completed, indicating the readiness for the commissioning phase [1]. U.S. Nuclear Energy Policy - The Biden administration is addressing barriers to nuclear energy development, with a goal to add 35 gigawatts of nuclear capacity within the next ten years [1]. - The strategy is expected to receive ongoing support under future administrations, emphasizing the importance of nuclear energy in meeting rising electricity demands [1]. Advantages of Nuclear Energy - Nuclear power plants maintain an annual utilization rate of over 7,000 hours, the highest among all energy sources, and do not emit harmful pollutants during operation [1]. - The role of nuclear energy is expanding beyond electricity generation to include applications in desalination, hydrogen production, and medical protection [1]. Recommended Companies to Watch - Jiadian Co., Ltd.: Leading in helium fan products for fourth-generation high-temperature gas-cooled reactors [1]. - Guoguang Electric: Key components for the ITER project [1]. - Lanshi Heavy Industry: Covers upstream nuclear fuel systems to downstream spent fuel processing [1]. - Kexin Electromechanical: Producing high-temperature gas-cooled reactor products [1]. - Hailu Heavy Industry: Services for various reactor types including third and fourth generation [1]. - Jiangsu Shentong: Secured over 90% of orders for nuclear-grade valves in new nuclear projects [1]. - Xianheng International: Products used in the operation and maintenance of nuclear energy [1].