| SINCERE CHANCE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINOBRIDGE CREATION LIMITED | Private company limited by shares | Dissolved |
| SINOFAITH CREATION LIMITED | Private company limited by shares | Dissolved |
| SINO SOURCE TRADING LIMITED | Private company limited by shares | Dissolved |
| LUNG SING INTERNATIONAL INDUSTRIAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINATIS LIMITED | Private company limited by shares | Live |
| SINOJOINT POLY ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| SINO GAIN LIMITED | Private company limited by shares | Live |
| SINO WAY (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO CHOICE INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO COPPER (HK) LIMITED | Private company limited by shares | Dissolved |
| Sun Sino LE-AL Asia Limited | Private company limited by shares | Live |
| SINOWIN FAR EAST LIMITED | Private company limited by shares | Live |
| Sino-Pro Limited | Private company limited by shares | Live |
| SINO VEGAS (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOBEST UMBRELLA COMPANY LIMITED | Private company limited by shares | Live |
| SINGRY INTERNATIONAL GROUP (H.K.) LIMITED | Private company limited by shares | Live |
| WAH SING FIBER CO. LIMITED | Private company limited by shares | Live |
| MEGA SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SING HING TOURS COMPANY LIMITED | Private company limited by shares | Live |
| SINO ACHIEVE ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| WAH YING SING DIGITAL ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ERA CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINO HOBBY MODEL TECH LIMITED | Private company limited by shares | Live |
| GO SING CONSTRUCTION MATERIALS LIMITED | Private company limited by shares | Live |
| SINO GRAND (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO TALL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO STRATEGIC INC. LIMITED | Private company limited by shares | Dissolved |
| SINOLINK CONSULTING COMPANY LIMITED | Private company limited by shares | Live |
| LINK SINO CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| SING YUE (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO FORT LIMITED | Private company limited by shares | Dissolved |
| SINO WIND LIMITED | Private company limited by shares | Dissolved |
| SINKO PRODUCTS LIMITED | Private company limited by shares | Live |
| SINO SOURCE GROUP LIMITED | Private company limited by shares | Live |
| SINO PGM LIMITED | Private company limited by shares | Live |
| HANG SING FINANCE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SING HOU LIMITED | Private company limited by shares | Dissolved |
| SHINY SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO BASE QI-HE METAL CO., LIMITED | Private company limited by shares | Live |
| SING YUE INDUSTRIAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HAILIAN SINEWS LIMITED | Private company limited by shares | Live |
| SINO CONSTRUCTION HOLDING LIMITED | Private company limited by shares | Live |
| SINCERE WAY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOVAC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST (H.K.) LIMITED | Private company limited by shares | Live |
| SINO PROSPER ASPHALT INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Jan-2013 |
| TAK SING CONSTRUCTION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO VICTOR TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO SHINY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GREAT SINO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO PORT TRADING LIMITED | Private company limited by shares | Dissolved |
| SINCERITY LIMITED | Private company limited by shares | Dissolved |
| SINOTEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| EURO SINO CONSULTING LIMITED | Private company limited by shares | Dissolved |
| SINO ADVISORY LIMITED | Private company limited by shares | Live |
| SINO CENTURY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO WING LIMITED | Private company limited by shares | Live |
| SINO HONG KONG MARITIME LIMITED | Private company limited by shares | Dissolved |
| SINO ENERGY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO ENTERPRISE (HK) LIMITED | Private company limited by shares | Live |
| SINO ABLE LIMITED | Private company limited by shares | Live |
| SINO ASIAN LIMITED | Private company limited by shares | Live |
| SINO BEAM LIMITED | Private company limited by shares | Live |
| SINO ALPHA LIMITED | Private company limited by shares | Dissolved |
| SING KWONG JEWELLERY (HK) LIMITED | Private company limited by shares | Live |
| SING KWONG JEWELLERY & GOLD MANUFACTORY LIMITED | Private company limited by shares | Live |
| SINO VOYAGE LIMITED | Private company limited by shares | Live |
| SINO TRINITY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOTEC ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| KAM SING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SINTIAN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SING FAI BUSINESS SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| SINO LEADER INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| FRANCE SINO . WELTON FASHION LIMITED | Private company limited by shares | Dissolved |
| SINO-INVESTMENT PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| SINO CHINESE LIMITED | Private company limited by shares | Dissolved |
| SINOVO I&E CO., LIMITED | Private company limited by shares | Dissolved |
| Sing Li Lace Industrial Limited | Private company limited by shares | Live |
| SINO RIGHT CORPORATION LIMITED | Private company limited by shares | Live |
| SINOPLAST GROUP LIMITED | Private company limited by shares | Live |
| SINO NORTH LIMITED | Private company limited by shares | Dissolved |
| SING CHIN AUTO PARTS COMPANY LIMITED | Private company limited by shares | Live |
| GREATER SINO LIMITED | Private company limited by shares | Dissolved |
| SINO CONCORD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINKO (HK) LIMITED | Private company limited by shares | Dissolved |
| WIN SINO ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO FULL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL MEDIA GROUP LIMITED | Private company limited by shares | Dissolved |
| SINORAD INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| SINO RAILROAD CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO-HUICHENG STEEL INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| SINOPSIS LIMITED | Private company limited by shares | Dissolved |
| SINO EASTERN SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO PETROLEUM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO STAR PLASTIC RECYCLING LIMITED | Private company limited by shares | Live |
| WING SING (HONG KONG) ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| YA SING CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SINO HERO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO WAY SHIPPING MANAGEMENT LIMITED | Private company limited by shares | Live |