Core Viewpoint - The company, Guodian Nanzi (600268.SH), focuses on providing automation and information products in the fields of electricity, industry, and new energy, rather than engaging in converter valve products [1] Group 1 - The company offers supporting automation products, information products, and electrical secondary equipment solutions [1] - Guodian Nanzi is involved in the 500 kV supporting substation project for the direct current transmission from Inner Mongolia to Beijing-Tianjin-Hebei [1] - The company also provides transformer protection services [1]