| WAIHAI TRADING LIMITED | Private company limited by shares | Live |
| JAPAN SAMLING ELECTRIC WAIHEN (CHINA) LIMITED | Private company limited by shares | Dissolved |
| WAIHEN TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WAIHOI TRADING LIMITED | Private company limited by shares | Live |
| Waihong Pest Control Services Limited | Private company limited by shares | Live |
| Waihong Environmental Services Limited | Private company limited by shares | Live |
| Waihong Medical Services Limited | Private company limited by shares | Live |
| WAIHOR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WAIHUNG TRADE CO., LIMITED | Private company limited by shares | Live |