| METALTEC CO., LIMITED | Private company limited by shares | Live |
| METALTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| METALTECH CHINA LIMITED | Private company limited by shares | Live |
| KONO METAL-TECH CO., LIMITED | Private company limited by shares | Live |
| Zhejiang Dyfab Metaltech Co., Limited | | Live |
| Diamond East MetalTech Co., Limited | | Live |
| METALTECH ELECTRICAL MACHINERY COMPANY LIMITED | Private company limited by shares | Live |
| METAL-TECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ERNEST METALTECH LIMITED | Private company limited by shares | Dissolved |
| METALTECH EYEWEAR LIMITED | Private company limited by shares | Dissolved |
| METAL-TECH (H.K.) CO., LIMITED | Private company limited by shares | Live |
| METALTECH (INTERNATIONAL) DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| METALTECH INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| ORIENTAL METALTECH LIMITED | Private company limited by shares | Live |
| Metal-Tech Science & Technologies (HK) Co., Limited | Private company limited by shares | Live |
| Metaltech Trading Company Limited | | Live |
| YONDAO METALTECH LIMITED | Private company limited by shares | Live |