| SINO GAIN (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO EXPLORATION AND MINING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO MINING LIMITED | Private company limited by shares | Dissolved |
| SINO ALLIED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINO SOURCE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL FOODS CO., LIMITED | Private company limited by shares | Live |
| SINO RIDGE LIMITED | Private company limited by shares | Live |
| SINOSOURCE LIMITED | Private company limited by shares | Live |
| CHINA SINO SCIENTIFIC INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO LINKER (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINO-OCEAN LAND (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINTEC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| POWER SINO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO PARK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CHARTER SINO GROUP LIMITED | Private company limited by shares | Live |
| SINO HUADA (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO STATE TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINOTREASURE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SING FAT SCREW INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO WELL INC. LIMITED | Private company limited by shares | Live |
| PO SING EMPLOYMENT SERVICE CENTRE LIMITED | Private company limited by shares | Live |
| SINO WIDE ENTERPRISE LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-2007 |
| SINO SUCCESS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO LINK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHI SING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMPION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NGAI SING CAPITAL LIMITED | Private company limited by shares | Live |
| SINO HK INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO ASIAN RESOURCE LIMITED | Private company limited by shares | Live |
| SINO MASTER INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOPAK INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO SMART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOWELL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MAN SING TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SINO GLOBALINK LIMITED | Private company limited by shares | Dissolved |
| NEW SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WU KA SING BONE SETTER LIMITED | Private company limited by shares | Live |
| SINO ERA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING FU DAI TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINOX LIMITED | Private company limited by shares | Dissolved |
| SINOWING INTERNATIONAL HOLDING CO., LIMITED | Private company limited by shares | Live |
| SINOMET SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO CHOICE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO TRADE INVESTMENTS LIMITED | Private company limited by shares | Live |
| ROYAL SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINO HONEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO ELITE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO BRIGHT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO HONOUR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO HERO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO GLORY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO FAR EAST SHIPPING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SINO SMART ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINCERE CHANCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO SKY (HONG KONG) LIMITED | Private company limited by shares | Live |
| WAH SING INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE RICH LIMITED | Private company limited by shares | Dissolved |
| SINO LINK TRADING LIMITED | Private company limited by shares | Dissolved |
| HK SINCERE REFRACTORIES CO., LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SINO (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO ON CORPORATION LIMITED | Private company limited by shares | Live |
| SINCERELY COMPANY LIMITED | Private company limited by shares | Live |
| SINO CROWN INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO NETWORK COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| SINO-PAK INDUSTRIES LIMITED | Private company limited by shares | Live |
| SINGTAI LIMITED | Private company limited by shares | Dissolved |
| SINGTEX LIMITED | Private company limited by shares | Dissolved |
| DYNAMIC SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO SYSTEM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO CHAIN LIMITED | Private company limited by shares | Live |
| SING PONG (CHINA) LIMITED | Private company limited by shares | Live |
| SINCERE (ASIA) LIMITED | Private company limited by shares | Live |
| SINO SKY LIMITED | Private company limited by shares | Dissolved |
| SINOPAK COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO POWER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO OCEAN (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON ENTERPRISES LIMITED | Private company limited by shares | Live |
| HANG SING ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| SINOWEST TRADING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO FORTUNE CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| SINO-GERMAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO RICHLY ENGINEERING LIMITED | Private company limited by shares | Live |
| SINOLINK MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO FAITH INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO FORTUNE INC. LIMITED | Private company limited by shares | Live |
| SINO NICE LIMITED | Private company limited by shares | Dissolved |
| SINO MASTER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GAIN SINCERE LIMITED | Private company limited by shares | Live |
| SINO CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| SINOSENSE MANAGEMENT GROUP LIMITED | Private company limited by shares | Live |
| HANG SING PROPERTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGLAR SOLUTION LIMITED | Private company limited by shares | Dissolved |
| SINO SHINY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOBEST MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| YUK YAT SING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO WISDOM TRADING LIMITED | Private company limited by shares | Live |
| SINO WINNER TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO WISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |