| XTRO LIMITED | Private company limited by shares | Live |
| X-TRONIX LIMITED | Private company limited by shares | Dissolved |
| XTRONTEC Limited | Private company limited by shares | Live |
| XTRUS LIMITED | Private company limited by shares | Live |
| XT-tech. Co., Limited | Private company limited by shares | Live |
| Xtudio Limited | Private company limited by shares | Live |
| XTUL HK COMPANY LIMITED | Private company limited by shares | Live |
| XTUO TRADING CO., LIMITED | Private company limited by shares | Live |
| Guangzhou X-Turn Trading Co., Limited | Private company limited by shares | Live |
| XT-Welly Time Trading Limited | Private company limited by shares | Live |
| X-TWO ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| XTXH PRECISION TOOLING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |