| SUMWA (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUMWA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SUMWAH GUANGDONG TRANSPORT MANAGEMENT LIMITED | Private company limited by shares | Live |
| SUMWAI TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SUMWAY LIMITED | Private company limited by shares | Dissolved |
| SUMWAY LIMITED | Private company limited by shares | Dissolved |
| SUMWAY LIMITED | Private company limited by shares | Dissolved |
| SUMWAY HK COMPANY LIMITED | Private company limited by shares | Live |
| SUMWAY ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| SUMWAY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SUMWAY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUMWAY INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SUMWAY INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| SUMWAY TRADING LIMITED | Private company limited by shares | Dissolved |