| SUNG'S DYNASTY LIMITED | Private company limited by shares | Dissolved |
| SUNGSAN ENTERPRISE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| QINGDAO SUNGSIN JEWELRY CO., LIMITED | Private company limited by shares | Live |
| HONG KONG SUNGSING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SUNGSTAR LIMITED | Private company limited by shares | Dissolved |
| Sungsu Trading Company Limited | Private company limited by shares | Live |
| SUNGSUN LIMITED | Private company limited by shares | Live |
| HAE SUNG-SUNBRIDGE LIMITED | Private company limited by shares | Dissolved |