| QUANTO TECH LIMITED | Private company limited by shares | Dissolved |
| QUANTOCK LIMITED | Private company limited by shares | Dissolved |
| HONGKONG QUANTONG SANITARY WARES INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| QUANTONG INT'L CO., LIMITED | Private company limited by shares | Live |
| QUANTONG MIRACLE CO., LIMITED | Private company limited by shares | Live |
| FOSHAN QUANTONG IMP & EXPORT CO., LIMITED | Private company limited by shares | Live |
| QUANTONG INT'L FREIGHT FORWARDERS (HK) LIMITED | Private company limited by shares | Live |
| QUANTONG GROUP LIMITED | Private company limited by shares | Dissolved |
| HK QUANTONG INVESTMENT HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| QUANTONG IMPORT&EXPORT (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| QUANTONG INDUSTRY (HK) LIMITED | Private company limited by shares | Live |
| QuanTong International Limited | Private company limited by shares | Dissolved |
| QUANTONG TRADING CO., LIMITED | Private company limited by shares | Live |
| QUANTOP TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Quantor Research Limited | Private company limited by shares | Dissolved |
| QUANTOR TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| QUANTOSPHERE LIMITED | Private company limited by shares | Live |