A total of 43 SS9 and 173 SS9G 6400hp Co-Co electrics were built for fast passenger work by Zhuzhou between 1998 and 2006. The two variants look quite different but are similar technically. Both variants can be found working various routes from from Beijing and in the north-east.
- JS Class 2-8-2
- GJ Class 0-6-0T
- SL6 Class 4-6-2
- KD6 Class 2-8-0
- QJ Class 2-10-2
- SY Class 2-8-2
- GKD1, GKD1A Class
- JF Class 2-8-2
- DF7, DF7B/C/D/F Class
- XK13 Class 0-6-0T
- C2 Class NG 0-8-0
- RM Class 4-6-2
- DFH3 Class
- ET7 Class 0-8-0T
- DF4, DF4A, DF4B Class
- DF4D, DF4DD Class
- DF11 Class
- SS4, SS4G Class
- DF4C Class
- DF8B Class
- BJ Class
- DF7G Class
- DF5, DF5B, DF5D Class
- HXD3B/3C/3D Class
- DF8 Class
- Narrow Gauge Electrics
- NYJ1, NZJ1, NZJ2 Class
- EL1 & EL2 Class
- ED85 Class
- ZG100 & ZG150 Class
- 37E Class
- SS3, SS3B Class