机械设备：漳州核电站4号机组FCD，三代核电首台主泵变频器国产化改造完成

Investment Rating - The industry rating is "Outperform the Market" [3][7] Core Viewpoints - The construction of the FCD for Unit 4 of the Zhangzhou Nuclear Power Plant marks a significant milestone, bringing the total number of nuclear power units under construction in China to 13, with a total installed capacity of 15.135 million kilowatts [2] - The successful domestic replacement of the main pump inverter during the fourth refueling overhaul of Unit 2 of the Haiyang Nuclear Power Plant enhances the reliability and economic efficiency of AP1000 units, representing a major breakthrough in third-generation nuclear technology [2] - Nuclear power is recognized as a crucial force in promoting green energy transition due to its clean, safe, and efficient characteristics, with annual utilization hours exceeding 7,000, making it the leading energy source [2] Summary by Relevant Sections Nuclear Power Development - The Zhangzhou Nuclear Power Plant Unit 4 utilizes China's self-developed "Hualong One" nuclear technology, with a rated capacity of 1.212 million kilowatts and a design lifespan of 60 years [2] - The completion of the first concrete pour (FCD) for Unit 4 signifies progress in China's nuclear power construction efforts [2] Technological Advancements - The domestic replacement of the main pump inverter in the Haiyang Nuclear Power Plant enhances the operational reliability of AP1000 units and signifies a step forward in self-sufficiency in nuclear technology [2] Investment Opportunities - Recommended companies include: 1. Jiadian Co., Ltd. for its leading position in nuclear main pump products [2] 2. Guoguang Electric for its critical components in the ITER project [2] 3. Lanshi Heavy Industry for its comprehensive coverage of the nuclear fuel system and related equipment [2] 4. Kexin Electromechanical for its high-temperature gas-cooled reactor products [2] 5. Haili Heavy Industry for its services across various reactor types [2] 6. Jiangsu Shentong for securing over 90% of orders for nuclear-grade valves in new nuclear projects [2] 7. Xianheng International for its products used in nuclear operation and maintenance [2]