| QINGDAO SHUANGYU TOOL LIMITED | Private company limited by shares | Live |
| SHUANGYU IMP & EXP TRADE LIMITED | Private company limited by shares | Dissolved |
| SHUANGZE IMPORT AND EXPORT CO., LIMITED | | Live |
| SHUANGZE CAPITAL HOLDING GROUP LIMITED | Private company limited by shares | Live |
| HK SHUANGZHAO MECHANICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Shuangzhu Trading Co., Limited | Private company limited by shares | Live |
| HONG KONG DILY SHUANGZU GROUP LIMITED | Private company limited by shares | Dissolved |
| SHUANYI INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK SHUANYING LIMITED | Private company limited by shares | Live |