| Company Name | Type | Status |
|---|---|---|
| Syan Engineering Limited | Live | |
| TAIWAN SYAN ELECTRIC HOLDING LIMITED | Private company limited by shares | Dissolved |
| Syang Trade Limited | Live | |
| SYANHAIKASYA (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG SYANQUEEN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |