国力电子：公司交流接触器等产品采用真空开关管作为灭弧部件，已用于柔直输配电、国家电网建设等领域

Core Viewpoint - The company has products that are already utilized in smart grids, specifically vacuum switch tubes in their contactors, which enhance performance and longevity [2] Group 1 - The company’s products, including交流接触器 (AC contactors), utilize vacuum switch tubes as arc extinguishing components [2] - These products are characterized by strong breaking capacity and long service life [2] - The applications of these products are widespread in flexible direct current transmission, ultra-high voltage, and national grid construction [2]