| CL Simao Limited | Private company limited by shares | Live |
| Hong Kong Simao Trading Co., Limited | | Live |
| SIMAO ELECTRONIC GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SIMAO CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SIMAO ELECTRIC CO., LIMITED | | Live |
| SIMAO INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK SIMAO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Simao International Trade Limited | | Live |
| Sao Simao Investment Limited | Private company limited by shares | Live |