Some typical subway project applications

Beijing Subway Lines 4-6, 8-10, 15, Airport Line, Yizhuang Line, Daxing Line, Beijing TCC, Changba Line and other 12 lines and subway network command center, accounting for 63% of Beijing's opened subway lines (19). Guangzhou Metro 6 lines, Shanghai Light Rail, Metro and other 9 lines, Nanjing Metro 6 lines, Iran Tehran Metro 5 lines, Qingdao Metro, Tianjin Light Rail, Ningbo Metro, Dongguan Metro, Vietnam North Railway, Nigeria Aka Railway and other rail transit projects.