| SINOBLE JEWELRY LIMITED | Private company limited by shares | Live |
| SINO PURCHASERS LIMITED | Private company limited by shares | Live |
| SINO CHAMPION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MING SING TRADING LIMITED | Private company limited by shares | Dissolved |
| Sinterama Asia Limited | Private company limited by shares | Live |
| SINOSTAR TRADING LIMITED | Private company limited by shares | Dissolved |
| Fung Sing Bus Management Limited | Private company limited by shares | Live |
| SINO OCEAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO ROYAL INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG SINOLINK LIMITED | Private company limited by shares | Live |
| SINO EUROPEAN LIMITED | Private company limited by shares | Dissolved |
| SINO-LEADER POWER LIMITED | Private company limited by shares | Live |
| SINO RICH ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| SING LAKE INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO REGENT INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO CREATIVE ENGINEERING LIMITED | Private company limited by shares | Live |
| SKY SINO INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK Singbee Limited | Private company limited by shares | Live |
| 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 |
| TSUN SING PROPERTIES INVESTMENT CO. 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 |
| MING SING LIMITED | Private company limited by shares | Dissolved |
| SINCERE CHANCE 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 |
| Sinatec Limited | Private company limited by shares | Live |
| SINCERE MIND LIMITED | Private company limited by shares | Live |
| SINGA ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| 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 |
| KEI SING INTERNATIONAL 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 |
| KIN SING FUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| SINFA WATCH INDUSTRY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| 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 |
| SINATA INTERNATIONAL (H.K.) CO., 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 |
| SINYING COMPANY LIMITED | Private company limited by shares | Live |
| 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 |
| TUNG SING ROCK DRILLING LIMITED | Private company limited by shares | Dissolved |
| SINO TREASURE ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| WAH SING CHEONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO HO MATERIAL CO. LIMITED | Private company limited by shares | Live |
| SINCERE ON (HONG KONG) LIMITED | Private company limited by shares | Live |
| HUA SING LIMITED | Private company limited by shares | Live |
| SINO-AMERICA LINES LIMITED | Private company limited by shares | Live |
| CHANG SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOI SING HONG 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 |
| TAK SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO OPTICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINKON 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 |
| WAH SING TECHNOLOGY 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 |
| SINANOVA LIMITED | Private company limited by shares | Live |
| 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 |
| SINTIA LIMITED | Private company limited by shares | Dissolved |
| SINO REGENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINGEEN PRECISE MANUFACTURE (HONG KONG) LIMITED | Private company limited by shares | Live |