| SINTEK DISPLAYS CO., LIMITED | | Live |
| SHENZHEN SINTEK DIGITAL CO., LIMITED | Private company limited by shares | Live |
| SINTEK ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINTEK (HK) MICROELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| HongKong Sintek Electronic Co., Limited | Private company limited by shares | Live |
| Sintek (Hongkong) Group Limited | Private company limited by shares | Live |
| HONGKONG SINTEK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINTEK TRADING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SINTEK INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| SINTEK SEMICONDUCTOR LIMITED | Private company limited by shares | Live |