| Company Name | Type | Status |
|---|---|---|
| SYNST ELECTRONICS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SYNSTAK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SYNSTAR PHARMA CO., LIMITED | Private company limited by shares | Dissolved |
| SYNSTAR PHARMATECH CO., LIMITED | Private company limited by shares | Dissolved |
| SYNSTAR INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SYNSTONES LIMITED | Private company limited by shares | Live |