国力电子：公司的交流接触器等产品采用真空开关管作为灭弧部件

Core Viewpoint - The company, Guokong Electronics, highlighted the advantages of its products, particularly vacuum switch tubes used in their contactors, emphasizing their strong breaking capacity and long service life, which are widely applied in various sectors including flexible direct current transmission, ultra-high voltage, and national grid construction [1] Group 1 - The company's products utilize vacuum switch tubes as arc extinguishing components [1] - The vacuum switch tubes provide strong breaking capacity and long service life [1] - The applications of these products include flexible direct current transmission, ultra-high voltage, and national grid construction [1]