| SINO UNIVERSAL PROPERTY INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SINO VALVE CO., LIMITED | Private company limited by shares | Live |
| SINO TAK ENTERPRISE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO MIRA PRODUCTION CO., LIMITED | Private company limited by shares | Dissolved |
| Sino Germany International Group Limited | Private company limited by shares | Live |
| SINOHEALTH TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO ART INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sun Sing Contracting Co., Limited | Private company limited by shares | Live |
| CHIN SING TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| Sino HK Capital Limited | Private company limited by shares | Live |
| SINO RESOURCE HOLDING (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINORICH HOLDING (CHINA) LIMITED | Private company limited by shares | Live |
| SINO FORTUNE CAPITAL GROUP LIMITED | Private company limited by shares | Live |
| SINO GENTLE LIMITED | Private company limited by shares | Live |
| HEP SING FRUITS LIMITED | Private company limited by shares | Live |
| SINO WEALTHY ENTERPRISE LIMITED | Private company limited by shares | Live |
| ART SINCERE TRADING LIMITED | Private company limited by shares | Dissolved |
| YAT SING INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| EXPERT SINO LIMITED | Private company limited by shares | Dissolved |
| YUEN SING PRINTING & PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| CHUNG SING (ALUMINIUM) ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO BRIGHT ASIA LIMITED | Private company limited by shares | Live |
| SINO PROMISE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINCEREBEST (HK) INFOTECH DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| SINO RIVER INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO VISION TRADING LIMITED | Private company limited by shares | Live |
| SINO ORIENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO EMPIRE CENTURY LIMITED | Private company limited by shares | Dissolved |
| SINO EMPIRE CONCEPT LIMITED | Private company limited by shares | Dissolved |
| ROYAL SINO LIMITED | Private company limited by shares | Live |
| SINOLINK GROUP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO BEST (CHINA) LIMITED | Private company limited by shares | Live |
| SINO RICH (2009) LIMITED | Private company limited by shares | Dissolved |
| SING YAU LIMITED | Private company limited by shares | Dissolved |
| SINO MATE INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO VICTOR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONG KONG HANG SING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO DRAGON CREATION LIMITED | Private company limited by shares | Live |
| SINO-COLD CO., LIMITED | Private company limited by shares | Dissolved |
| SINO BRITISH INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MING SING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FLAIR SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINCORE DIGITAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TRUE SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINO CHANCE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| TSUN SING LIMITED | Private company limited by shares | Live |
| GATEWAY SINO LIMITED | Private company limited by shares | Live |
| EAST SINO INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO ASIA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINCERE TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SINO SWIFT LIMITED | Private company limited by shares | Live |
| KAI SING CONSTRUCTION CO. LIMITED | Private company limited by shares | Dissolved |
| SINO VICTORY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FU SING CATERING GROUP LIMITED | Private company limited by shares | Live |
| SINO VANTAGE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO NEOENERGY WINDPOWER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GOLD SINCERE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO MATERIAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SINKO ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sinbad Premier Limited | Private company limited by shares | Dissolved |
| Tin Sing Productions Limited | Private company limited by shares | Dissolved |
| SINO RICH 09 LIMITED | Private company limited by shares | Dissolved |
| SINOWOOD INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO WIND LIMITED | Private company limited by shares | Live |
| SINOWAY 09 LIMITED | Private company limited by shares | Dissolved |
| SINO CHASE LIMITED | Private company limited by shares | Dissolved |
| SINO EFFORT LIMITED | Private company limited by shares | Live |
| SINOKAWA INTERNATIONAL (HK) BUSINESS LIMITED | Private company limited by shares | Dissolved |
| SINCERE CHARM LIMITED | Private company limited by shares | Live |
| SINCERE EASE INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| SINO-WIN INDUSTRIAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO SKY INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO VISION VEHICLE & SERVICE CO., LIMITED | Private company limited by shares | Live |
| SINGTEX ENTERPRISE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINOSTARS CULTURE MEDIA (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINOBLE TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOSHIELD LIMITED | Private company limited by shares | Live |
| SINO GLORY ARTS COMPANY LIMITED | Private company limited by shares | Live |
| Sing Yan Health Care Group Limited | Private company limited by shares | Live |
| SINOLIGHT TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CMP Sinoexpo Limited | Private company limited by shares | Dissolved |
| YAT SING COMPUTER KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| SINOTRADE LOGISTICS LIMITED | Private company limited by shares | Live |
| SINGYES GREEN TECHNOLOGIES (HK) LIMITED | Private company limited by shares | Live |
| Sino-German Know-how Automobile Commercial Association Limited | Private company limited by shares | Live |
| TSUN SING TRADING LIMITED | Private company limited by shares | Live |
| SING MAO ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| SINO-GAIN INTERNATIONAL INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO-GERMAN CONSULTING (HK) LIMITED | Private company limited by shares | Live |
| Sino Assets Management Company Limited | Private company limited by shares | Live |
| SINOC GROUP LIMITED | Private company limited by shares | Live |
| LUNG SING TRADING LIMITED | Private company limited by shares | Live |
| SINOVENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WAI SING TUTORIAL SCHOOL LIMITED | Private company limited by shares | Dissolved |
| SINO-HERB GARDEN LIMITED | Private company limited by shares | Live |
| SINO WISDOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO FULLCOME GROUP LIMITED | Private company limited by shares | Live |
| SINO ERA CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Sintra Limited | Private company limited by shares | Live |