| DON SING INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINOTRANS (HONG KONG) PROPERTIES HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SINO COMMUNICATION LIMITED | Private company limited by shares | Live |
| SINO SMARTE LIMITED | Private company limited by shares | Dissolved |
| SINORI INTERNATIONAL RESOURCE LIMITED | Private company limited by shares | Live |
| SINO CITY GROUP LIMITED | Private company limited by shares | Live |
| SINO-SUNSHINE METALS & MINERALS TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ASCENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO STATE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO LUCKY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TEAM SINO TRADING LIMITED | Private company limited by shares | Live |
| YI LI SING CO., LIMITED | Private company limited by shares | Live |
| PREMIER SINO LIMITED | Private company limited by shares | Dissolved |
| SINCERE COMPUTER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO MATERIAL LIMITED | Private company limited by shares | Dissolved |
| SINO CONCEPT PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO RICH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINO ROYAL TOBACCO LIMITED | Private company limited by shares | Dissolved |
| SINO KEY LIMITED | Private company limited by shares | Dissolved |
| SINOMAX FINANCE LIMITED | Private company limited by shares | Live |
| SINO ASCENT INTERNATIONAL RESOURCES (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| HON SING TRANSPORT LIMITED | Private company limited by shares | Live |
| SINGH'S ELECTRONIC COMPANY LIMITED | Private company limited by shares | Live |
| SINO GREAT INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| EXCEL SINO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO RESOURCE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOCORP (H.K.) TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| LUCKY SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO POWER INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SPEEDY SINO LIMITED | Private company limited by shares | Live |
| SINO HARVEST LIMITED | Private company limited by shares | Live |
| SINO YORK LIMITED | Private company limited by shares | Dissolved |
| HUIFUNG GROUP (SINGAGPORE) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO SEA INVESTMENT LIMITED | Private company limited by shares | Live |
| LOK SING PROPERTY AGENCY COMPANY LIMITED | Private company limited by shares | Live |
| SINO POLYMER LIMITED | Private company limited by shares | Live |
| SINO ASIA RESOURCES LIMITED | Private company limited by shares | Live |
| WING SING (H.K.) ENGINEERING LIMITED | Private company limited by shares | Live |
| Sino-Neft Petroleum (Group) Limited | Private company limited by shares | Dissolved |
| Sino Technology Hong Kong Limited | Private company limited by shares | Live |
| SINO EUROPEAN CONTRACTORS AND INVESTORS LIMITED | Private company limited by shares | Dissolved |
| SINO PRIDE LIMITED | Private company limited by shares | Live |
| SINCERE LEADER LIMITED | Private company limited by shares | Live |
| SINCERE EAST LIMITED | Private company limited by shares | Dissolved |
| CHAMPION SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOTENNA CO. (HK) LIMITED | Private company limited by shares | Live |
| WAH SING TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| Sino Opto (HK) Company Limited | Private company limited by shares | Dissolved |
| SINO GREAT CORPORATION LIMITED | Private company limited by shares | Live |
| SINO MED CONNECT LIMITED | Private company limited by shares | Live |
| SINO HERO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SINOSTATE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINO WELL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO MEGA (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO LUCK MANAGEMENT LIMITED | Private company limited by shares | Live |
| HONG SING CONSTRUCT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO SEA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SING FAI HONG JEWELLERY LIMITED | Private company limited by shares | Live |
| SINO DIE-CASTING & AUTO-PART CO., LIMITED | Private company limited by shares | Dissolved |
| SINO MICRO ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| SINCERE GAIN LIMITED | Private company limited by shares | Dissolved |
| SINO EUROPEAN CONSULTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINTACK LIMITED | Private company limited by shares | Dissolved |
| SINOMAX (CHINA) NEW REFRIGERANT LIMITED | Private company limited by shares | Dissolved |
| SINGHIGH ELECTRICAL EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| CHINA SINO INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO MATCH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOSAIL ENTERPRISE LIMITED | Private company limited by shares | Live |
| FINE SINO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEW SINO TRADING LIMITED | Private company limited by shares | Dissolved |
| MEGA SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO WELL TRADING LIMITED | Private company limited by shares | Live |
| SC SINO CONNECTION LIMITED | Private company limited by shares | Dissolved |
| SINOGOOD INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO MOST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC CAPITAL LIMITED | Private company limited by shares | Live |
| SINO BAODIAN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-FLOURISHING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ART SINO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CHEONG SING INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO BT FINANCE LIMITED | Private company limited by shares | Dissolved |
| SINOPLASTIC OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| SINO RANK LIMITED | Private company limited by shares | Live |
| SINO HERO FOODS LIMITED | Private company limited by shares | Live |
| SINO TEX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINAI LIMITED | Private company limited by shares | Dissolved |
| SINOLINK WAREHOUSING MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINOLINK ASSET MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE WEALTHY LIMITED | Private company limited by shares | Dissolved |
| SINO MINERALS COMPANY LIMITED | Private company limited by shares | Live |
| SinoH Limited | Private company limited by shares | Dissolved |
| SINO RESOURCE CO., LIMITED | Private company limited by shares | Live |
| SINO OCEAN LIMITED | Private company limited by shares | Live |
| SINO COIN LIMITED | Private company limited by shares | Live |
| SINO GROUP INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO ELITE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO WEALTH CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINODELTA LIMITED | Private company limited by shares | Live |
| MULTI SINO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO MONEY INVESTMENTS LIMITED | Private company limited by shares | Live |