Wiper control box, DF8B wiper control box, HB-2 wheel rail lubricating electronic controller, HB-1 electronic controller of HB-3 wheel rail lubrication, wheel rail lubricating electronic controller, TQG photoelectric sensor junction box, DF-J0002 voltage signal transmitter, DF-J0003

Current signal transmitter, GDY80 Metro voltmeter, HXD3 battery voltmeter