| TIANLAN CO., LIMITED | Private company limited by shares | Live |
| TIANLAN INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TIANLAN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TIANLANG HOLDING (CHINA) LIMITED | Private company limited by shares | Live |
| HONG KONG TIANLANG TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Tianlang Technology Co., Limited | Private company limited by shares | Live |
| TianLang Transportation HK Co., Limited | Private company limited by shares | Live |
| TIANLANG EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| GUANGDONG FOSHAN TIANLANG CERAMIC LIMITED | Private company limited by shares | Live |
| HONG KONG TIANLANG TRADING LIMITED | Private company limited by shares | Live |
| TIANLANG GLOBAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TIANLANG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HK TIANLANG INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| HK TIANLANG INTERNATIONAL TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TIANLANG INTERNATIONAL FOOD (HK) LIMITED | Private company limited by shares | Dissolved |
| UK TianLang Int'l Co., Limited | Private company limited by shares | Live |
| HK TIANLANG INT'L ELECTRICAL EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| TIANLANG GLOBAL INT'L LIMITED | Private company limited by shares | Live |
| HK TIANLANG LIGHTING LIMITED | Private company limited by shares | Dissolved |
| NANJING TIANLANG PHARMACEUTICAL CO., LIMITED | Private company limited by shares | Live |
| HK TIANLANG TRADE LIMITED | Private company limited by shares | Live |