Group 1 - The core achievement of Zhongke Qingneng is the successful operation of the 3kW@4.5K helium refrigerator, which has been running stably for over 120 hours and meets design specifications [1] - The 3kW@4.5K helium refrigerator is the largest cooling power helium refrigerator currently produced in China's nuclear fusion field, supporting the stable operation of the CRAFT project [1] - The CRAFT project aims to explore and master key technologies for fusion DEMO-level systems, with the helium refrigerator providing a critical low-temperature operating environment for large superconducting magnets [1] Group 2 - Zhongke Qingneng focuses on ultra-low temperature technology research and equipment manufacturing below 20K, including hydrogen liquefaction and helium low-temperature equipment [2] - The company successfully provided liquid hydrogen fuel for the Long March 8 rocket, marking the first use of domestically produced liquid hydrogen equipment in China's aerospace sector [2] - The 3kW@4.5K helium refrigerator was developed in just seven months, featuring multiple user operation modes, rapid condition control, and high automation, ensuring stable low-temperature environments for the CRAFT project [2] Group 3 - Zhongke Qingneng plans to continue focusing on ultra-low temperature technology and aims to contribute to energy transition and scientific research both in China and globally [2]