| GIEN ENERGY SAVING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GIEN ENERGY SAVING TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| GIEN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| GIEN VANACE CORPORATION LIMITED | Private company limited by shares | Live |
| KRIS GIENGER GRAPHIC DESIGN LIMITED | Private company limited by shares | Dissolved |
| GIENKEE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Gienkee Investment Co., Limited | Private company limited by shares | Live |
| Gienkee International Trade Co., Limited | Private company limited by shares | Live |
| GIENNE SKINCARE & WELLNESS LIMITED | Private company limited by shares | Live |