哈丁印度为德里地铁蓝线列车提供连接升级. HARTING India supplies connectivity upgrades for Delhi Metro Blue Line trains.

哈丁印度正在为德里地铁蓝线列车提供连接解决方案, HARTING India is supplying connectivity solutions for Delhi Metro's Blue Line trains undergoing modernization. 改进包括无线网络,智能监控和安全系统以改善老车乘客的体验. The upgrades include Wi-Fi, intelligent surveillance, and safety systems to improve passenger experience on older vehicles.