| SYUAN SIN LIMITED | Private company limited by shares | Live |
| Syuan (HK) Limited | Private company limited by shares | Live |
| Ya Syuan International Limited | Private company limited by shares | Live |
| S-Yuan Electronic Technology Limited | | Live |
| HK SYUAN TRADE LIMITED | | Live |
| SYUAN TRADING CO., LIMITED | Private company limited by shares | Live |
| SYUAN TRADING CO., LIMITED | Private company limited by shares | Live |
| SYUAN INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SYUANTES LIMITED | | Live |
| SYUE Company Limited | Private company limited by shares | Live |
| SYUEN PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| Syuen Resources (M) Investment Limited | Private company limited by shares | Live |
| Syuhai Limited | Private company limited by shares | Live |
| SYUKEE HAIR CO., LIMITED | Private company limited by shares | Live |
| SYU.LAIMEIZI (HONGKONG) INTERNATIONAL BIOTECHENOLOGY CO., LIMITED | Private company limited by shares | Live |
| SYUM LIMITED | Private company limited by shares | Dissolved |
| SyunDak Trading (Hong Kong) Co. Limited | Private company limited by shares | Live |
| Syuno Beauty Technology Limited | | Live |
| SYUNZAI CIRCULATION HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SYU'S TRADING CO. LIMITED | Private company limited by shares | Live |
| HK SYUTPAAU INT'L GROUP LIMITED | Private company limited by shares | Live |
| SYUYU INDUSTRY LIMITED | Private company limited by shares | Live |