| SINO GAIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YAU WO (SINO-HK) TRANSPORTATION CO., LIMITED | Private company limited by shares | Dissolved |
| SINCERE PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINCERE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINCERE MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINOWAY LIMITED | Private company limited by shares | Dissolved |
| SINO GALAXY LIMITED | Private company limited by shares | Live |
| SINCERE CONCEPT LIMITED | Private company limited by shares | Dissolved |
| SINOSUN LIMITED | Private company limited by shares | Live |
| SINO & HK TRADING (GROUP) LIMITED | Private company limited by shares | Dissolved |
| YUN SING (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMP ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO LEVEL MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO MARK CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO WIN INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TAK SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO EXPERT MANAGEMENT LIMITED | Private company limited by shares | Live |
| LUCKY SINO (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO VANTAGE (CHINA) LIMITED | Private company limited by shares | Live |
| SINO GAINER LIMITED | Private company limited by shares | Dissolved |
| SINO PORTAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO LINK CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SING FAI INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO WEALTHY TRADING LIMITED | Private company limited by shares | Dissolved |
| WAI SING LIMITED | Private company limited by shares | Dissolved |
| SINO BASE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE (CHINA) LIMITED | Private company limited by shares | Live |
| SINO SUCCESS (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO SKY (CHINA) LIMITED | Private company limited by shares | Live |
| SINO POWER (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO GREAT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO CHEER (LNG) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO CHEER TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO CHEER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO DISTRIBUPHARM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING FUNG TRANSPORTATION LIMITED | Private company limited by shares | Live |
| NINGBO SING KONG ELECTRONIC (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO-US MED SYSTEMS CO., LIMITED | Private company limited by shares | Dissolved |
| SINOLINK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO LINKER INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO-OCEANS LIMITED | Private company limited by shares | Live |
| SINO BOND LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMPION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WIN SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO BUSINESS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINOFAITH ENGINEERING LIMITED | Private company limited by shares | Live |
| SINNER 47 LIMITED | Private company limited by shares | Dissolved |
| SINO-TIMESHARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOCON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HANG SING IRON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SING KEE CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAI SING TRADING & TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINO ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SINO-I.COM LIMITED | Private company limited by shares | Dissolved |
| JING SING FAI ELECTRONIC LIMITED | Private company limited by shares | Live |
| TAI SING (H.K.) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUN SING TEA LIMITED | Private company limited by shares | Live |
| MEI FU SINGAPORE INTERNATIONAL PETROLEUM CHEMICAL ENGINEERING HOLDING LIMITED | Private company limited by shares | Dissolved |
| YAT SING RESOURCES COMPANY LIMITED | Private company limited by shares | Live |
| SINGLUNG WIRE & PLASTIC COMPANY LIMITED | Private company limited by shares | Live |
| KAI SING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SING PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SING FUNG ENGINEERING & CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| SINO CENTURY H.K. LIMITED | Private company limited by shares | Live |
| SINO DRAGON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING LIMITED | Private company limited by shares | Dissolved |
| SINO TARGET INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINBURY INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| SINSING MEDICINE CO., LIMITED | Private company limited by shares | Dissolved |
| SINOPARTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO STAR GROUP LIMITED | Private company limited by shares | Live |
| SINO ART TRADING LIMITED | Private company limited by shares | Live |
| KONG SING (H.K.) LIMITED | Private company limited by shares | Live |
| SINOMAX PLANNING LIMITED | Private company limited by shares | Live |
| TSUN SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| PAK SING SHOE MATERIAL (H.K.) LIMITED | Private company limited by shares | Live |
| SINO MASTER INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO FIDELITY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO-HAITONG TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GIAN SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO-INDIA LINES LIMITED | Private company limited by shares | Live |
| FUTURE SINO LIMITED | Private company limited by shares | Dissolved |
| SINCERE PRINTING LIMITED | Private company limited by shares | Dissolved |
| SINO MEGA LIMITED | Private company limited by shares | Live |
| HO SING CLOTHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| STRONG SINO LIMITED | Private company limited by shares | Live |
| SINOMAP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SING WONG CONSTRUCTION LIMITED | Private company limited by shares | Live |
| WESTERN TECHNOLOGY SINO LIMITED | Private company limited by shares | Dissolved |
| ALL SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINGIN PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SINOMAG INVESTMENT LIMITED | Private company limited by shares | Live |
| HANG SING (BAO AN) PAPER PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| SINO RESOURCE CONSULTANTS LIMITED | Private company limited by shares | Live |
| YUK SING INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| TUNG SING PAWNSHOP LIMITED | Private company limited by shares | Dissolved |
| SINO LIGHTHOUSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINGPLUS HONG KONG LIMITED | Private company limited by shares | Dissolved |