| TECHIN LIMITED | Private company limited by shares | Dissolved |
| Techin Limited | | Live |
| TECHIN CO., LIMITED | Private company limited by shares | Live |
| PINPOINT TECHIN CO., LIMITED | | Live |
| TECH-IN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TECHIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| TECHIN ORNAMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECHIN TRADING LIMITED | Private company limited by shares | Dissolved |
| TECHINA LIMITED | Private company limited by shares | Dissolved |
| TECHINA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TECHINA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TECHINBT COMPANY LIMITED | Private company limited by shares | Live |
| TECHING LIMITED | Private company limited by shares | Dissolved |
| ODE TECHINICAL SERVICE LIMITED | Private company limited by shares | Live |
| GP Techinno Limited | Private company limited by shares | Live |
| China Tech-Inno Group Limited | Private company limited by shares | Live |
| TECH-INNOV LIMITED | Private company limited by shares | Dissolved |
| TechInnovate Solutions Limited | | Live |
| Bonroy Tech-Innovation Limited | | Live |
| HK Zhongzhi Scientific & Tech-Innovation Int'l Holding Group Limited | Private company limited by shares | Live |
| CHIHIRO TECHINOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| JIAHAO TECHINOLOGY CO., LIMITED | | Live |
| FORQUET TECHINOLOGY LIMITED | Private company limited by shares | Live |
| TECHINSIGHT-ASIA LIMITED | Private company limited by shares | Dissolved |
| TECH-INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| TECHINT LIMITED | Private company limited by shares | Dissolved |
| Shining Tech.Int.Co., Limited | Private company limited by shares | Live |
| TECHINVEST LIMITED | Private company limited by shares | Dissolved |
| Tech-Invest Capital Limited | Private company limited by shares | Live |
| Techinvest Holding Limited | Private company limited by shares | Live |