| COSUN LIMITED | Private company limited by shares | Dissolved |
| COSUN LIMITED | Private company limited by shares | Live |
| COSUN ELECTRON (H.K) CO., LIMITED | Private company limited by shares | Live |
| CO-SUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| COSUN GROUP CO., LIMITED | Private company limited by shares | Live |
| COSUN GROUP (HK) LIMITED | Private company limited by shares | Live |
| COSUN INTERNATIONAL (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| COSUN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| COSUN INTERNATIONAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| COSUN INDUSTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CO-SUN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CO-SUN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| COSUN LED LIGHTING CO., LIMITED | Private company limited by shares | Live |
| COSUN SYSTEMS LIMITED | Private company limited by shares | Live |
| Cosun Technology Co., Limited | Private company limited by shares | Live |
| COSUN ELECTRIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| COSUN ELECTRONIC SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| COSUNION LIMITED | Private company limited by shares | Live |
| CO-SUNNY TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |