| SINONIC GROUP LIMITED | Private company limited by shares | Live |
| SINONICE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINONICE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Sino-Nigeria Shipping Limited | Private company limited by shares | Live |
| SINO-NIHON BUTTON LIMITED | | Live |
| SINO-NIHON BUTTON CREATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-NIHON BUTTON FACTORY LIMITED | Private company limited by shares | Live |
| SINO-NIHON ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO-NIHON ENTERPRISES (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| SINONION LIMITED | Private company limited by shares | Live |
| SINONIX TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |