| Internal combustion locomotive electrical accessories |
| Universal transfer switch layer 1 |
| Release switch DZ5B-50 series |
| Foot switch EKW-5A |
| Headlight switch HZ10-25. E63 |
| Ten position switch group |
| Piano key switch ZR-N314 |
| Seven position switch group |
| Proximity switch E2E-X2E1 |
| Proximity switch Bi2-M12-AN6X |
| Foot switch ZR-S293 |
| Foot switch TKJ1-5.110 |
| Foot switch LX3-11H |
| 400A knife switch Dongfeng 5 |
| Oil pressure relay DP-10 |
| DC power test bench |
| Stepless speed regulation drive test box |
| Speedometer and tachometer test bench |
| Locomotive pressure relay test bench |
| Locomotive temperature relay test bench |
| Locomotive voltage regulator test bench |
| Locomotive electrical comprehensive test bench |
| Locomotive electric air valve test bench |
| Power amplifier tester |
| Load amplifier test box |
| Low resistance test box |
| Road signal equipment test bench |
| Speed signal processor ZR-T835 |
| Locomotive temperature relay test bench |
| Locomotive voltage regulator test bench |
| Locomotive electrical comprehensive test bench |
| Locomotive electric air valve test bench |
| Power amplifier tester |
| Load amplifier test box |
| Low resistance test box |
| Road signal equipment test bench |
| Speed signal processor ZR-T835 |
| Locomotive temperature relay test bench |
| Locomotive voltage regulator test bench |
| Locomotive electrical comprehensive test bench |
| Locomotive electric air valve test bench |
| Power amplifier tester |
| Load amplifier test box |
| Low resistance test box |
| Road signal equipment test bench |
| Speed signal processor ZR-T835 |




