| Company Name | Type | Status |
|---|---|---|
| SINOTRON LIMITED | Private company limited by shares | Live |
| SINOTRON PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINOTRONG INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINOTRONIC LIMITED | Private company limited by shares | Dissolved |
| SINOTRONICS LIMITED | Private company limited by shares | Dissolved |
| SINOTRONIX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |