国缆检测(301289.SZ)：对国内外多个特高压输变电工程提供了相应检测技术服务

Core Viewpoint - The company, Guolan Detection (301289.SZ), has developed advanced testing technologies for ultra-high voltage and special high voltage transmission and transformation projects, providing corresponding testing services for multiple domestic and international projects [1] Group 1 - The company has accumulated testing technologies for overhead conductors, ultra-high voltage AC cables, submarine cables, and ultra-high voltage DC cables through long-term research and development [1] - Guolan Detection offers testing technology services for various ultra-high voltage transmission and transformation projects both domestically and internationally [1]