填补空白，我国核聚变氦制冷机成功投产

Group 1 - The helium refrigerator developed by Henan Zhongke Qingneng Technology Co., Ltd. has successfully operated for over 120 hours, achieving a cooling capacity of 3 kW, meeting design specifications [1] - This equipment is the largest helium refrigerator in China's nuclear fusion field that has been put into production, supporting the stable operation of the national major scientific infrastructure CRAFT (Comprehensive Research Facility for Fusion Technology) [1] - Nuclear fusion materials are abundant on Earth and produce no pollution, making them a key to unlocking "energy freedom" [1] Group 2 - The controllable nuclear fusion energy is considered the ultimate form of energy that humanity can master, offering advantages such as being infinite, economical, planned, clean, and safe [1] - Related concept stocks include Jindun Co., Ltd. and Binglun Environment [2]