| SANSUI ESTATE LIMITED | Private company limited by shares | Live |
| SANSUIDO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SANSUN HI-TECH CO., LIMITED | Private company limited by shares | Live |
| SANSUN DIGITAL LIMITED | Private company limited by shares | Dissolved |
| SANSUN ELECTRONICS LIMITED | Private company limited by shares | Live |
| SANSUN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SANSUN EAE BEST INDUSTRY LIMITED | Private company limited by shares | Live |
| SANSUN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SANSUN VALVE CO., LIMITED | Private company limited by shares | Live |
| SANSWELL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SANSYOU EQUIPMENT (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SANSYOU EQUIPMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SANSYOU EQUIPMENT (HONG KONG) LIMITED | Private company limited by shares | Live |