| Crystal Core Electronics Company Limited | Private company limited by shares | Live |
| Crystal Source Electronics (H.K.) Limited | Private company limited by shares | Live |
| CRYSTAL SUCCESS ELECTRONICS (HONG KONG) LIMITED | Private company limited by shares | Live |
| CRYSTAL ELECTRONICS INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN DONG YUAN CRYSTAL ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL KEY ELECTROPLATING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Crystal Element Limited | Private company limited by shares | Live |
| Elements Crystal Trading Limited | | Live |
| CRYSTAL ELITE LIMITED | Private company limited by shares | Dissolved |
| SPAIN ELITE CRYSTAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CRYSTAL EMPIRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL EMPIRE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL EMPIRE INVESTMENT LIMITED | Private company limited by shares | Live |
| EMPIRE CRYSTAL PRIVATE LIMITED | Private company limited by shares | Live |
| Crystal Energy Limited | Private company limited by shares | Live |
| NEW CRYSTAL SOLAR ENERGY CO., LIMITED | Private company limited by shares | Live |
| Crystal Green Energy Solutions Limited | Private company limited by shares | Live |
| Crystal Vision Energy (Hong Kong) Limited | Private company limited by shares | Live |
| Rock Crystal Energy Industrial Limited | | Live |
| De Crystal Energy & Petroleum (HK) Limited | Private company limited by shares | Live |
| RUYI ENERGY CRYSTAL COMPANY LIMITED | Private company limited by shares | Live |
| CRYSTAL ENGINEERING HK LIMITED | Private company limited by shares | Live |
| Crystal Aluminum Engineering Co., Limited | Private company limited by shares | Live |
| Crystal Power Engineering Machinery Co., Limited | Private company limited by shares | Live |
| Crystal Marble Engineering Co., Limited | Private company limited by shares | Live |
| CRYSTAL ART GLASS COLLECTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| HK CRYSTAL DESIGN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| FINE CRYSTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL HARBOUR ENGINEERING LIMITED | Private company limited by shares | Live |
| Crystal Marble (HK) Engineering Company Limited | Private company limited by shares | Live |
| CRYSTAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL AIM ENTERPRISE LIMITED | Private company limited by shares | Live |
| CRYSTAL OCEAN ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| Crystal Concepts Enterprise Limited | Private company limited by shares | Live |
| CRYSTAL INTERNATIONAL ENTERPRISE CO. LIMITED | Private company limited by shares | Live |
| SMART CRYSTAL INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| CRYSTAL ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| NEW CRYSTAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL SKY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL SEA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL BOND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GENERAL CRYSTAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL MARK ENTERPRISES LIMITED | Private company limited by shares | Live |
| NICE CRYSTAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL PEARL ENTERPRISES LIMITED | Private company limited by shares | Live |
| CRYSTAL TIME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL VIEW ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL VIOLET ENTERPRISES LIMITED | Private company limited by shares | Live |
| CRYSTAL ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| EPIC CRYSTAL COMPANY LIMITED | Private company limited by shares | Live |
| CRYSTAL EPOCH LIMITED | Private company limited by shares | Live |
| Esme Crystal Limited | | Live |
| CRYSTAL ESTATES ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ETERNAL CRYSTAL LIMITED | Private company limited by shares | Live |
| CRYSTAL ETERNAL LIMITED | Private company limited by shares | Live |
| CRYSTAL ETERNAL LIMITED | Private company limited by shares | Live |
| EVER CRYSTAL LIMITED | Private company limited by shares | Dissolved |
| EVER CRYSTAL LIMITED | Private company limited by shares | Live |
| Crystal Ever Company Limited | Private company limited by shares | Live |
| EVER CRYSTAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EVER CRYSTAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Crystal Everbest Limited | Private company limited by shares | Live |
| CRYSTAL EXCEL LIMITED | Private company limited by shares | Dissolved |
| EXCEL CRYSTAL LIMITED | Private company limited by shares | Live |
| CRYSTAL IMPORT AND EXPORT COMPANY LIMITED | Private company limited by shares | Live |
| CRYSTAL EXPORTS HK LIMITED | Private company limited by shares | Live |
| CRYSTAL EXPRESS LIMITED | Private company limited by shares | Live |
| EXPRESS CRYSTAL LIMITED | Private company limited by shares | Dissolved |
| Crystal Eyes International Co., Limited | | Live |
| CRYSTAL EYES CORPORATION LIMITED | Private company limited by shares | Live |
| CRYSTAL FACE LIMITED | Private company limited by shares | Dissolved |
| BO YA CRYSTAL CRAFTS FACTORY LIMITED | Private company limited by shares | Live |
| FAIR CRYSTAL LIMITED | Private company limited by shares | Live |
| CRYSTAL FAIR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Fairy Crystal Limited | Private company limited by shares | Live |
| CRYSTAL FAITH LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FAITH LIMITED | Private company limited by shares | Live |
| CRYSTAL FAITH LIMITED | Private company limited by shares | Live |
| Faithful Crystal Limited | | Live |
| CRYSTAL FALCON LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FAME LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FAME LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FAME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FAME INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FAMOUS LIMITED | Private company limited by shares | Live |
| FANCY CRYSTAL LIMITED | Private company limited by shares | Live |
| CRYSTAL FANS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Crystal Fans Limited | Private company limited by shares | Live |
| LE CRYSTAL FASHION CO. LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FASHION HK LIMITED | Private company limited by shares | Live |
| CRYSTAL PEAK FASHION LIMITED | Private company limited by shares | Live |
| CRYSTAL FAST COMPANY LIMITED | Private company limited by shares | Dissolved |
| Crystal Fate International Limited | Private company limited by shares | Live |
| CRYSTAL FIELD LIMITED | Private company limited by shares | Live |
| CRYSTAL FINANCE ASIA LIMITED | Private company limited by shares | Live |
| FINE CRYSTAL LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FINE LIMITED | Private company limited by shares | Dissolved |
| FINE CRYSTAL LIMITED | Private company limited by shares | Dissolved |
| FINE CRYSTAL LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL FINE LIMITED | Private company limited by shares | Live |