| SINO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SING KEI STONE (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SiExp Technology Limited | Private company limited by shares | Dissolved |
| SINO CASTINGS FORGINGS LIMITED | Private company limited by shares | Dissolved |
| SINO SUCCESS INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| VICTORIA SIGHT LIMITED | Private company limited by shares | Live |
| SINO VIEW (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SIXTH MEDIA (CHINA) CO., LIMITED | Private company limited by shares | Live |
| Sino Times Technology Co., Limited | Private company limited by shares | Live |
| HK SINO PLACE LIMITED | Private company limited by shares | Dissolved |
| Sino Textest Association Co. Limited | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL INVESTMENT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SIMPLIFIED SOLUTIONS LIMITED | Private company limited by shares | Live |
| GUANGDONG SINPAI INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| WING SING MASONRY ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO VISION (H.K.) LIMITED | Private company limited by shares | Live |
| USA SIMUSI OIL CHEMICAL INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO TITANIUM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO FOURSTAR GROUP CO., LIMITED | Private company limited by shares | Live |
| SINO GRINDING CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA SINO ENTERPRISES INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| LAP SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINO MJ CORPORATION LIMITED | Private company limited by shares | Dissolved |
| WINSUN (SINO) LIMITED | Private company limited by shares | Dissolved |
| SIERRA PAGODA COMPANY LIMITED | Private company limited by shares | Live |
| SINO RACE LIMITED | Private company limited by shares | Dissolved |
| SILVERSAT TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SION-UNION MATERIALS (HONGKONG) LIMITED | Private company limited by shares | Live |
| SINO CULTURE ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| SILICON AUSPICIOUS (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LUCK SIGHT LIMITED | Private company limited by shares | Dissolved |
| SINO STRATEGIC LIMITED | Private company limited by shares | Dissolved |
| GROUP SINO LIMITED | Private company limited by shares | Dissolved |
| SINO CAPITAL (H.K.) LIMITED | Private company limited by shares | Live |
| SINO-AUSTRIA INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SINOTRANS HONGKONG TRADING & SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO MANAGEMENT HONGKONG CO., LIMITED | Private company limited by shares | Dissolved |
| SINO WINNERS INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO WINNERS LIMITED | Private company limited by shares | Dissolved |
| Sinowood Consulting Limited | Private company limited by shares | Dissolved |
| GGV (SinoSun) Limited | Private company limited by shares | Dissolved |
| SINCERE WEALTH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SIXCLICK INC. LIMITED | Private company limited by shares | Live |
| WING SING HONG COMPANY LIMITED | Private company limited by shares | Live |
| NEO SILK ROAD HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIPLAND NETWORK LIMITED | Private company limited by shares | Dissolved |
| SINOGLORY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SIGNODE INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE INDUSTRIES LIMITED | Private company limited by shares | Live |
| SINO HARVEST ELECTRONICS LIMITED | Private company limited by shares | Live |
| SINO VISION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO RICHEST INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO EFFORT INVESTMENT LIMITED | Private company limited by shares | Live |
| WAN SING INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| YAT SING CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO HUGH LIMITED | Private company limited by shares | Live |
| HK SILK HOMETEXTILE CO., LIMITED | Private company limited by shares | Live |
| SINO TALENT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SILICON ARCHITECH DESIGNS (HK) LIMITED | Private company limited by shares | Dissolved |
| SICMAX TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINCERE MOTORS NETWORK COMPANY LIMITED | Private company limited by shares | Live |
| SINO EXPRESS CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Siemen Beauty Household Appliances Industry Limited | Private company limited by shares | Dissolved |
| SINO WAY LIMITED | Private company limited by shares | Dissolved |
| SING FAI INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| NINGBO HAISHU SILVERFIELD IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| SILENG LIMITED | Private company limited by shares | Live |
| SINOCREAT INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINOGUATEMALA TRADING CO., LIMITED | Private company limited by shares | Live |
| TAT SING TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO CULTURE NETWORK TV CO. LIMITED | Private company limited by shares | Dissolved |
| Sino Intertrade Limited | Private company limited by shares | Dissolved |
| SINO SPREAD LIMITED | Private company limited by shares | Live |
| SINOTEK MATERIALS CO., LIMITED | Private company limited by shares | Dissolved |
| SimplyPlus Company Limited | Private company limited by shares | Live |
| SINO-OMAN BUSINESS & TRADE ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| WEN SING (HK) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sing Ming Trading Limited | Private company limited by shares | Live |
| SIHAN INTERNATIONAL GIFTS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SILIGEM LIMITED | Private company limited by shares | Live |
| CHUEN NAM SING INVESTMENT (GROUP) HOLDING LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SINBO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SIEMENS ELECTRIC APPLIANCES LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| HK SINO-CHAMPION INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| SIMBABLE INT'L HONGKONG HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINO HARBOUR GROUP LIMITED | Private company limited by shares | Dissolved |
| Sinoforte Limited | Private company limited by shares | Live |
| SUN SINO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINTEX ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO PARK INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Siksong Limited | Private company limited by shares | Live |
| SHANHE SILICONE RUBBER PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| SIFT HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO-ONE TRANS LIMITED | Private company limited by shares | Dissolved |
| SUN TIN DAT (H.K.) BA SHU SICHUAN LIMITED | Private company limited by shares | Dissolved |
| SINO ZEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO PROMINENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO FAR EAST ENTERPRISES LIMITED | Private company limited by shares | Live |