| CARTRIDGE CENTRE LIMITED | Private company limited by shares | Dissolved |
| NINGBO WANHAI CARTRIDGE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| NINGBO WANHAI CARTRIDGE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Inkjet Cartridge Limited | Private company limited by shares | Live |
| ECS Cartridges Limited | Private company limited by shares | Live |
| CHINA CARTRIDGES LIMITED | Private company limited by shares | Live |
| CARTRIDGES DIRECT LIMITED | Private company limited by shares | Live |
| Grinder Toner and Cartridges Trading (HK) Limited | Private company limited by shares | Live |
| CARTRIDGETOP HOLDING LIMITED | Private company limited by shares | Live |