| S.N.T. LIMITED | Private company limited by shares | Dissolved |
| S.N.T. LIMITED | Private company limited by shares | Live |
| QINGDAO SNTAI INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SNTAI INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| SNTECH LIMITED | Private company limited by shares | Dissolved |
| SNTO TRADING CO., LIMITED | | Live |
| SNTO HOLDINGS GROUP LIMITED | Private company limited by shares | Live |
| SNTO INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| SNTX LIMITED | Private company limited by shares | Live |