Metro LED headlamp series, Shanghai Metro LED headlamp series, Guangzhou Metro LED headlamp series, Beijing Metro LED headlamp series, locomotive display XCP-C-DC110V, splitter starting relay TJQ2S, locomotive frequency meter 45-55HZ, locomotive power meter, locomotive three-phase AC voltage indicator 0-450V, ohmmeter 96C15-V, railway engine Special Ohmeter 96C15-V, Current Sensor TQG4G-1200A, Current Sensor TQG4C-1200A, Current Sensor NCA1B-500A/SP2, Pressure Sensor P72600, Temperature Sensor CW121-3, Speed Sensor T-05 (SF), Voltage Sensor TQG3G-1000V, Voltage Sensor NCV2-200V, Voltage Sensor NCV5-500V/SP3, Voltage Regulator QP-215DM, Locomotive Regulator Valve LFR-215DM D-5M-MIDI, FESTO pressure regulator LR-D-MINI, two-way three-way conductive solenoid valve Q23XJD-2L, locomotive controller 17FL267D1, stainless steel shock gauge YN60Z-1600KPA, pole-less speed regulator TQB-1A, varistor MY31-5KA/330V, low temperature pressure relief valve QP215-DW-C-B, pressure relief valve QP215-DW-C-B, voltage regulator LR-3/8-D-400-D-MINT-SA S, current sensor NINT-SA S Sensor TV200-1000V, voltage sensor MCL1-3000/SP3, current sensor NT1200C-S/35, current sensor NT1005C-S/SP2, current sensor NT2000C-S/SP2 TAG：