| TAIN BUSINESS CO., LIMITED | Private company limited by shares | Live |
| WU QIONG HAO TAIN ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| TAIN GROUP CO., LIMITED | Private company limited by shares | Live |
| TAIN EXPO LIMITED | Private company limited by shares | Live |
| TAIN LUN (HONG KONG) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Tain Hong Kong Limited | Private company limited by shares | Live |
| Tain Software (Hong Kong) Limited | Private company limited by shares | Live |
| CHUAN TAIN ELECTRICAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TAIN YOUNG INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| LUNG TAIN (BROTHERS) COMPANY LIMITED | Private company limited by shares | Live |
| TAINA LIMITED | Private company limited by shares | Live |
| TAINA ELECTRONICS LIMITED | Private company limited by shares | Live |
| Taina International Group Company Limited | Private company limited by shares | Live |
| TAINAM LIMITED | Private company limited by shares | Dissolved |
| TAINAN LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI TAINANDE ELECTRICAL GROUP (HK) LIMITED | Private company limited by shares | Live |
| TAINE LIMITED | Private company limited by shares | Dissolved |
| TAINERS LIMITED | Private company limited by shares | Live |
| TAINET COMMUNICATION SYSTEMS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HK TAINI BABY EDUCATION ADVISORY LIMITED | Private company limited by shares | Live |
| Tainic Electrical Company Limited | Private company limited by shares | Dissolved |
| TAINING LAND INVESTMENTS COMPANY LIMITED | Private company limited by shares | Live |
| TAINING TRADE LIMITED | Private company limited by shares | Live |
| TAINJIN CAT WIRE AND CABLE LIMITED | Private company limited by shares | Live |
| TAINUI DISTRIBUTORS LIMITED | Private company limited by shares | Dissolved |
| Tainuo Product Design Limited | Private company limited by shares | Live |
| TAINUOKE CO., LIMITED | | Live |
| SHENZHEN TAINY ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| Shenzhen Tainy Electronics Co., Limited | Private company limited by shares | Live |