| SAILONG CO., LIMITED | Private company limited by shares | Live |
| SAILONG HOLDING GROUP CO., LIMITED | Private company limited by shares | Live |
| SAILONG DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SAILONG FIBER GLASS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG SAILONG TECHNOLOGY HOLDINGS LIMITED | Private company limited by shares | Live |
| HONGKONG SAILONG TRADING CO., LIMITED | Private company limited by shares | Live |
| SAILONG INTERNATIONAL TRADE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SAILONG INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |