永贵电器：目前已形成轨道交通与工业、车载与能源信息、特种装备三大业务板块

Core Viewpoint - Yonggui Electric (300351) focuses on the research, manufacturing, sales, and technical support of electrical connectors, connector components, and precision intelligent products, with a diverse application in various industries [1] Group 1: Business Segments - The company has established three main business segments: rail transportation and industrial, automotive and energy information, and special equipment [1] - Connectors serve as critical interfaces between devices and modules, indicating their broad application scenarios [1] Group 2: Product Development - The company has developed connector products for emerging fields such as humanoid robots, liquid-cooled servers, and flying cars [1]