| SUNYOUN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SUNYOUNG HK LIMITED | Private company limited by shares | Live |
| SUNYOUNG CO., LIMITED | Private company limited by shares | Live |
| SUNYOUNG ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| SUNYOUNG SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Sunyoung Technologies Co., Limited | Private company limited by shares | Live |
| Sunyoung Group Limited | | Live |
| HK SUNYOUNG INVESTMENT LIMITED | Private company limited by shares | Live |
| SUNYOUNG LIQUID AUTOMATION LIMITED | Private company limited by shares | Dissolved |
| SUNYOUNG INVESTMENT MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| SUN-YOUNG TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SUNYOUNG TINS COMPANY LIMITED | Private company limited by shares | Live |
| SUNYOUNG TRADE LIMITED | Private company limited by shares | Live |
| ZHEJIANG SUNYOUNGER INDUSTRY CO., LIMITED | Private company limited by shares | Live |