| POLYWISE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| POLYWISE TRADING LIMITED | Private company limited by shares | Dissolved |
| POLYWISEMAN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYWISH LIMITED | Private company limited by shares | Live |
| POLYWOOD LIMITED | Private company limited by shares | Dissolved |
| POLYWORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| POLYWORLD LIMITED | Private company limited by shares | Live |
| POLYWORTH LIMITED | Private company limited by shares | Live |
| POLY-WUYI (HONG KONG) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Polyyonn Limited | | Live |
| POLYZONE (H.K.) BUILDING MATERIALS COMPANY, LIMITED | Private company limited by shares | Dissolved |
| POLZ HK LIMITED | | Live |