英杰电气(300820.SZ)：与核工业西南物理研究院拥有长期稳定的合作关系

Group 1 - The company, Yingjie Electric (300820.SZ), has a long-term stable partnership with the Southwest Institute of Physics of the China National Nuclear Corporation, supplying power products for nuclear fusion-related devices [1] - Due to the diverse categories of power products for nuclear fusion devices and significant differences in technical paths, multiple companies in the industry collaborate with distinct focuses, and the company does not cover all types of power products [1]