| HUACHAN INTERNATIONAL ARCHITECTS DESIGN LIMITED | Private company limited by shares | Dissolved |
| HUACHAN (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK HUACHANG LIMITED | Private company limited by shares | Dissolved |
| HUACHANG BUSINESS LIMITED | Private company limited by shares | Live |
| HUACHANG SHARES LIMITED | Private company limited by shares | Live |
| HUACHANG TRADE LIMITED | | Live |
| YIYANG HUACHANG LIMITED | Private company limited by shares | Live |
| HUACHANGDA TRADE CO., LIMITED | Private company limited by shares | Live |