| TOPBIG LIMITED | Private company limited by shares | Dissolved |
| Topbing International Industrial Limited | Private company limited by shares | Live |
| Shenzhen Topbing Steel Industrial Co., Limited | Private company limited by shares | Live |
| TOPBISH LIMITED | Private company limited by shares | Dissolved |
| TOPBISH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TOPBIZ LIMITED | Private company limited by shares | Dissolved |
| TOPBIZ LIMITED | Private company limited by shares | Dissolved |
| TOPBIZ LIMITED | Private company limited by shares | Live |