| M.M.T. SUNWIND ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| MMTC IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| MmTech HK Limited | | Live |
| MMTI-INVEST LIMITED | Private company limited by shares | Live |
| MMTM LIMITED | Private company limited by shares | Live |
| MMTrades Limited | Private company limited by shares | Live |
| MMTS (HONG KONG) LIMITED | Private company limited by shares | Live |
| MMTS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MMTS Online Learning Limited | | Live |
| MM&TT LIMITED | | Live |