| TANZANITE MEDIA PARTNERS LIMITED | Private company limited by shares | Live |
| Tanzanite Sales Support Limited | Private company limited by shares | Dissolved |
| TANZANIUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tanzhao International Technology Co., Limited | | Live |
| Tanzhe Co., Limited | | Live |
| China Tanzhonghe Technology Group Limited | Private company limited by shares | Live |
| KAZAKHSTAN TUERQI TANZHOU DAIRY INDUSTRY RESEARCH INSTITUTE LIMITED | | Live |
| Tanzhou Education & Information Technology Co., Limited | Private company limited by shares | Live |
| Tanzhou International Limited | | Live |
| TANZOON INTERNATIONAL (HK) COSMETIC COMPANY LIMITED | Private company limited by shares | Live |