| SUPERSTAR HIGH-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| HIGHTECH SYSTEM LIMITED | Private company limited by shares | Live |
| Hightech Systematic Limited | Private company limited by shares | Live |
| THREE S HIGH-TECH (UK) LIMITED | Private company limited by shares | Live |
| TIANMA GAOKE HIGH-TECH. (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| Time High-Tech LIMITED | | Live |
| TONDER HIGH-TECH LIMITED | Private company limited by shares | Live |
| TOPGREEN HIGHTECH LIMITED | Private company limited by shares | Live |
| Toxmann High-Tech Co., Limited | Private company limited by shares | Live |
| VANTECH HIGH-TECH LIMITED | Private company limited by shares | Dissolved |
| VFUTURE HIGH-TECH CORPORATION LIMITED | Private company limited by shares | Live |
| VINPSOS HIGHTECH LIMITED | Private company limited by shares | Live |
| VOLI HIGH-TECH LIMITED | Private company limited by shares | Dissolved |
| VOLI HIGH-TECH LIMITED | Private company limited by shares | Live |
| RF WELL HIGH-TECH CO., LIMITED | Private company limited by shares | Live |
| WINNING HIGH-TECH LIMITED | Private company limited by shares | Live |
| Wise View High-tech Co., Limited | Private company limited by shares | Live |
| CHONGQING YAMAHA GROUP HIGH-TECH LIMITED | Private company limited by shares | Live |
| YUCHENG HIGH-TECH HK LIMITED | Private company limited by shares | Live |
| ZHONGLONG HIGHTECH LIMITED | Private company limited by shares | Live |
| HightechFab Limited | Private company limited by shares | Live |
| HIGHTECHNIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DingSheng Hightechnical (Hong Kong) Development Limited | Private company limited by shares | Live |
| DingXin Hightechnical (Hong Kong) Development Limited | Private company limited by shares | Live |
| H.K JIACHEN HIGH-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HIGHTECHSIDUS CO., LIMITED | Private company limited by shares | Live |
| HIGHTECHSOFT LIMITED | Private company limited by shares | Live |
| Highteck Limited | Private company limited by shares | Live |
| CAN-ASIA HIGHTECT (GROUP) LIMITED | Private company limited by shares | Dissolved |