| STG | Sunlands Technology Group |
| JZ | Jianzhi Education Technology Group |
| QSG | QuantaSing Group |
| CLEU | China Liberal Education |
| VEDU | Visionary |
| WAFU | Wah Fu Education Group |
| GSUN | Golden Sun Education Group |
| EDTK | Skillful Craftsman Education |
| EEIQ | Elite Education Group |
| LXEH | Lixiang Education |