| Company Name | Type | Status |
|---|---|---|
| SINCOWN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Sincre Imp.&exp. Co., Limited | Private company limited by shares | Live |
| Go Sincro Limited | Private company limited by shares | Live |
| SINCRONTIC LIMITED | Private company limited by shares | Dissolved |
| SINC-TECH ELECTROMECHANICS TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HK SINCYI TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK SINCYI TECHNOLOGY LIMITED | Private company limited by shares | Live |