| SKY SINO INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO REALTY (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOCELL RESOURCES CO., LIMITED | Private company limited by shares | Dissolved |
| JOIN SINO LIMITED | Private company limited by shares | Live |
| SINO BRIGHTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO TOP INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUPER SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO PACIFIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO MAKER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO HONOUR INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO COURT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOCODE ASIA LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO EASTERN LIMITED | Private company limited by shares | Dissolved |
| Orient Sino Industrial Limited | Private company limited by shares | Dissolved |
| RAYMOND SINO-HK TRANSPORTATION LIMITED | Private company limited by shares | Live |
| GLOBAL SINOS TRADE COMPANY LIMITED | Private company limited by shares | Live |
| SMART SINO (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOEMBED SYSTEM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINOWORD (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINOLONG ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO STAR INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINOPAC TRADING LIMITED | Private company limited by shares | Live |
| EXCEL SINO (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CHINA SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO WAVE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SINO RICH HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| Sino Gain Consultants Limited | Private company limited by shares | Dissolved |
| SINO WORLD ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO-FLOURISHING INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SINOY ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO CAPITAL FAR EAST LIMITED | Private company limited by shares | Live |
| SINO SOURCE CORPORATION LIMITED | Private company limited by shares | Live |
| SINO TREASURE ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO HO MATERIAL CO. LIMITED | Private company limited by shares | Live |
| SINO-AMERICA LINES LIMITED | Private company limited by shares | Live |
| SINO THRIVE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO STAR MANAGEMENT LIMITED | Private company limited by shares | Live |
| SUPER SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOLAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO BASE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO VIEW TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO OPTICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO RESOURCES TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO RESOURCES GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO MIRACLE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO HONG KONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO-EUROPEAN EXCHANGE KEY LIMITED | Private company limited by shares | Dissolved |
| SINO FINE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ROYAL SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GOLD SINO LIMITED | Private company limited by shares | Live |
| SINOREX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MULTI SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO STRONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO SUPER LIMITED | Private company limited by shares | Dissolved |
| SINO BRIGHT (H.K.) ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINORECO RESOURCES LIMITED | Private company limited by shares | Live |
| SINORECO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO REGENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD FAR EAST LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINOHEALTH BIO-SCI GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO RAYS LIMITED | Private company limited by shares | Dissolved |
| SINO MARK LIMITED | Private company limited by shares | Live |
| SINO CREATION LIMITED | Private company limited by shares | Live |
| RICH SINO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SINOWICK LIMITED | Private company limited by shares | Dissolved |
| SINOUSA (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO TOP LIMITED | Private company limited by shares | Live |
| SINO GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINOTRUCK LIMITED | Private company limited by shares | Dissolved |
| SINO TRULY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO GLOBAL HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO REALTY LIMITED | Private company limited by shares | Live |
| SINO RAY PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO STAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINOIDEAS LIMITED | Private company limited by shares | Live |
| SINOSOL PROJECTS ASIA LIMITED | Private company limited by shares | Dissolved |
| SINOGATE SOURCING LIMITED | Private company limited by shares | Live |
| SINO TALENT INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO TALENT HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO CROWN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO FOREST INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO FOREST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO SKY TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO BRITISH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| EASTERN SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOGAIN (H.K.) LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| SINO FORM (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO FUTURE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO EXPORTS (H.K) LIMITED | Private company limited by shares | Live |
| SINO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO OPTOELECTRONICS TECHNOLOGY CORP. LIMITED | Private company limited by shares | Dissolved |
| EURO SINOLINK GROUP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO GLORY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO-MODA FASHIONS COMPANY LIMITED | Private company limited by shares | Live |
| SINO H.K. TRADING LIMITED | Private company limited by shares | Dissolved |