| U-SUN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| USUN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| USUN NEW ENERGY TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| USUN GROUP CO., LIMITED | Private company limited by shares | Live |
| USUN INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| Hong Kong Usun Ecomerce Limited | Private company limited by shares | Live |
| U-SUN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| U.SUN (HONG KONG) TRADING CO., LIMITED | Private company limited by shares | Live |
| U-SUN INTERNATIONAL TRADING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| U-SUN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| U-SUN SHIPPING MARINE (HK) LIMITED | Private company limited by shares | Dissolved |
| USUN Stock Company Limited | Private company limited by shares | Live |
| Usun Technology Limited | Private company limited by shares | Live |
| USUN TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| USUN TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| USUN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| U-SUN INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| U-Sun Trading Corporation Limited | Private company limited by shares | Live |
| U-SURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| USURE ENTERPRISE LIMITED | Private company limited by shares | Live |
| US.V Co., Limited | Private company limited by shares | Live |
| USVR SMARTIX LIMITED | Private company limited by shares | Live |
| USWG Mfg. Limited | Private company limited by shares | Dissolved |
| USWIN CO., LIMITED | Private company limited by shares | Live |
| uSWOP Limited | Private company limited by shares | Live |
| USWORTH COMPANY LIMITED | Private company limited by shares | Dissolved |
| USX-ASIA LINE LIMITED | Private company limited by shares | Dissolved |
| U-SYS Genius Development Consulting Co., LIMITED | Private company limited by shares | Live |
| U-SYS (HK) Technology Co., Limited | Private company limited by shares | Live |