| Qingtai Seiko Co., Limited | Private company limited by shares | Live |
| QINGTAI TRADE CO., LIMITED | Private company limited by shares | Live |
| QINGTAI HENGTIAN INTERNATIONAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG QINGTAI INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| QINGTAI INTERNATIONAL LOGISTICS LIMITED | Private company limited by shares | Live |
| QINGTAI KAIYUAN (HK) INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Qingtai Trade Limited | | Live |
| HK QINGTAIXIN TRADE LIMITED | | Live |