| Sino Best Holding Group Limited | Private company limited by shares | Live |
| SINTAN KIMYA (HK) CO. LIMITED | Private company limited by shares | Dissolved |
| WAH SING (HK) TRADING LIMITED | Private company limited by shares | Live |
| STABLE SINO LIMITED | Private company limited by shares | Live |
| SINO SPEED INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO SOURCES INVESTMENT LIMITED | Private company limited by shares | Live |
| TUNG SING ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO BUDDHA WIDE RELIEF FOUNDATION LIMITED | Private company limited by shares | Live |
| SINO BUDDHA BODHI FOUNDATION LIMITED | Private company limited by shares | Live |
| ROYAL SINO ENGINEERING LIMITED | Private company limited by shares | Live |
| Singcheer International (HongKong) Co., Limited | Private company limited by shares | Live |
| HK YUNG SING TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Yi Sing Capital (HK) Limited | Private company limited by shares | Live |
| SINO GALAXY INDUSTRY LIMITED | Private company limited by shares | Live |
| SINORICH CAPITAL LIMITED | Private company limited by shares | Live |
| SING FORTUNE CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| SINATREND LIMITED | Private company limited by shares | Live |
| WAH SING TRADING LIMITED | Private company limited by shares | Live |
| SINORELO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HONG KONG SINO MERCHANTS GROUP LIMITED | Private company limited by shares | Live |
| SING YAN PLASTIC CO. LIMITED | Private company limited by shares | Live |
| SINO FAITH SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Sino Dragon Global Limited | Private company limited by shares | Live |
| TAI SING ENVIRONMENTAL RESOURCES RECYCLING LIMITED | Private company limited by shares | Live |
| Zhejiang Sinri Jewelry Co., Limited | Private company limited by shares | Live |
| SINO LAKE LIMITED | Private company limited by shares | Live |
| NEWLY SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| EVER SINO TRADING LIMITED | Private company limited by shares | Live |
| Li Sing Business Centre Limited | Private company limited by shares | Live |
| SinoPharmTech Limited | Private company limited by shares | Live |
| Singyes MRW Joint Venture Company Limited | Private company limited by shares | Live |
| Singarda Private Equity Limited | Private company limited by shares | Live |
| YUET SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO FRENCH SOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO BEAUTY (HK) GROUP LIMITED | Private company limited by shares | Live |
| SINO BRIGHT CORPORATE CONSULTING LIMITED | Private company limited by shares | Live |
| RICH SINO FULL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINKO ELECTRONICS (HONGKONG) LIMITED | Private company limited by shares | Live |
| SINOK CO., LIMITED | Private company limited by shares | Live |
| HK SINODENG LIMITED | Private company limited by shares | Live |
| SINCERE SECRETARIES CORPORATE LIMITED | Private company limited by shares | Live |
| Sino Construction Surveying Limited | Private company limited by shares | Live |
| SINO AFRICA OIL (GROUP) LIMITED | Private company limited by shares | Live |
| SINGTO INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SING TAT INT'L TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO CAPITAL LIMITED | Private company limited by shares | Live |
| WINNING SINO LIMITED | Private company limited by shares | Live |
| SINORICK RESOURCES CO., LIMITED | Private company limited by shares | Live |
| EVER SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO GRAND FAR EAST LIMITED | Private company limited by shares | Live |
| SINOLINK CONSULTANT CO., LIMITED | Private company limited by shares | Live |
| SINO HOWELL INDUSTRY LIMITED | Private company limited by shares | Live |
| SINO ENERGY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SING TAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Sincere TCM Clinic Limited | Private company limited by shares | Live |
| Hongkong Sinoblade Industrial Co., Limited | Private company limited by shares | Live |
| SINO SHARP TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sinobangoo Limited | Private company limited by shares | Live |
| FOOK SING OIL LIMITED | Private company limited by shares | Live |
| SINO EUROPEAN TRADE AND INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| YAT SING ELECTRICAL TRADING LIMITED | Private company limited by shares | Live |
| SING SAI SINO HK LOGISTIC LIMITED | Private company limited by shares | Live |
| Sino-Living Enterprises Limited | Private company limited by shares | Live |
| SINOWINDS ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| Sinocare Investment Co., Limited | Private company limited by shares | Live |
| Sino Manufacturing Solutions Limited | Private company limited by shares | Live |
| SINOLINE INC LIMITED | Private company limited by shares | Live |
| SAC SINO TRADING GROUP CO., LIMITED | Private company limited by shares | Live |
| SingaSong (HK) Trading Co., Limited | Private company limited by shares | Live |
| SINRIT INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| ASIA SINO LIMITED | Private company limited by shares | Live |
| SINOTEC INSTRUMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| SINO TECHTRADE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINGLUNGYU INT'L LIMITED | Private company limited by shares | Live |
| KWAN SING INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINCE ALIVE LIMITED | Private company limited by shares | Live |
| SINGYU INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| SING YAT MOTORS CO LIMITED | Private company limited by shares | Dissolved |
| SINO LINKS INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO MERGE TRADING LIMITED | Private company limited by shares | Live |
| SINO BRIGHT TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| Sino Space Foundation Limited | Private company limited by shares | Live |
| Sinoglory Marine Co., Limited | Private company limited by shares | Live |
| SING VIEW RUBBER-PLASTIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINO FIRST INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO DCT INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| DRAGON SINO CORPORATION LIMITED | Private company limited by shares | Live |
| SING TAI ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| SINOS RAY LIMITED | Private company limited by shares | Live |
| SINO CROWN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hey Sing Trading Limited | Private company limited by shares | Live |
| SINO GLORY METAL RESOURCES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO SUPER CAFON MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Yiu Sing Engineering Limited | Private company limited by shares | Live |
| SINO BEST TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| CHINA SINO DEGO ENERGY AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sino Marine Consulting Limited | Private company limited by shares | Live |
| SINO PALM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINORICH TRANSPORT LIMITED | Private company limited by shares | Live |