Group 1 - The "artificial sun" has achieved a world record by maintaining a steady-state long pulse plasma operation at over one billion degrees Celsius for 1066 seconds [1] - The BEST project has successfully initiated the assembly of its main components, with the Dewar base positioned with millimeter-level precision [2] - The first PF magnet for the BEST project has been completed, measuring over 10 meters in diameter, 2.5 meters in height, and weighing over 100 tons, taking 30 months to manufacture [3] Group 2 - The BEST research plan has been officially released globally, with over ten countries' scientists signing the "Hefei Fusion Declaration" [4] - The domestically developed high-strength steel No. 1 has filled a gap in the application of high-strength, tough, non-magnetic structural materials under extreme low-temperature conditions [5] - An international superconducting linear plasma device has been constructed, featuring a maximum particle flow greater than 10^24 m^-2 s^-1 and a discharge time exceeding 1000 seconds [6] Group 3 - The CRAFT ion cyclotron heating system has achieved 100% independent intellectual property rights, marking a transition from "catching up" to "leading" in high-power RF heating technology [7] - The prototype component of the highest thermal load divertor has passed acceptance, with a steady-state thermal load capacity reaching 20 megawatts per square meter, indicating China's independent control in divertor research and development [8] - The procurement package for the ITER correction field coils has been completed and delivered after 15 years, signifying a leap in China's superconducting magnet engineering capabilities [9] Group 4 - High and low-temperature hybrid superconducting magnets have achieved a maximum steady-state magnetic field of 35.1 Tesla, overcoming multiple technical challenges under low-temperature high-field conditions, with 100% independent control over materials, processes, and production [10]

Core Insights - The "Kua Fu" (CRAFT) facility has achieved significant progress with the successful testing and acceptance of the prototype component for the divertor, marking a milestone in China's independent design efforts in fusion technology [1] Group 1: Technical Achievements - The prototype component demonstrated a steady-state thermal load capacity of 20 megawatts per square meter [1] - The alignment error of the target plate facing the plasma surface is less than 1 millimeter, indicating high precision in the design [1] - This prototype is noted as the largest in international dimensions and the highest in thermal load capacity [1]

Core Insights - The CRAFT facility has achieved significant progress with the successful testing and acceptance of the prototype component for the divertor, which is crucial for the fusion reactor's core operation [1][2] - The prototype's steady-state thermal load capacity reached 20 megawatts per square meter, and the alignment error of the target plate surface adjacent to the plasma is less than 1 millimeter, marking a successful development of the largest and highest thermal load divertor component designed independently in China [1] Summary by Sections Development and Testing - The divertor prototype component has successfully passed expert testing, demonstrating its ability to handle a steady-state thermal load of 20 megawatts per square meter [1] - The innovative design includes a hybrid divertor cladding integration scheme, theoretically increasing the tritium breeding ratio by over 3%, providing an effective pathway for achieving tritium self-sufficiency [1] Technical Innovations - The design features three structurally reliable and easily disassemblable target plates, validating the feasibility of quick replacements [1] - The use of a flat structure effectively controls the tungsten surface temperature below the recrystallization temperature, successfully achieving the ultra-high thermal load [1] Broader Implications - The successful development of the divertor prototype establishes a solid technical foundation for the engineering application of China's fusion reactor divertors [2] - The related technologies not only support other fusion devices but also have potential applications in aerospace, high-end medical equipment, industrial electronics, and new energy vehicles [2]