| TOPNET LIMITED | Private company limited by shares | Dissolved |
| TOPNET LIMITED | Private company limited by shares | Live |
| TOPNET ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN TOPNET SYSTEM LIMITED | Private company limited by shares | Live |
| TOPNETS GROUP LIMITED | Private company limited by shares | Live |
| TOPNETS TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| TOPNETWORK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOPNETWORKS LIMITED | Private company limited by shares | Dissolved |