| SINOTEX (CHINA) LIMITED | Private company limited by shares | Live |
| HONGKONG SINWON TRADING LIMITED | Private company limited by shares | Live |
| Qingdao Sino Carbon Limited | Private company limited by shares | Dissolved |
| SINOSHIP&TRADING CO., LIMITED | Private company limited by shares | Live |
| SINOTRANS AIR TRANSPORTATION (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SING YUE INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO MAPLE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINASIA LIMITED | Private company limited by shares | Live |
| SINO GRAPHITE LIMITED | Private company limited by shares | Dissolved |
| Sino Capital Investment Management Limited | Private company limited by shares | Dissolved |
| Sino Light Management Limited | Private company limited by shares | Dissolved |
| OCEAN SINO CREATION LIMITED | Private company limited by shares | Live |
| SINO REALITY SOURCING LIMITED | Private company limited by shares | Live |
| SINO-HONGKONG GROUP IMP&EXP LIMITED | Private company limited by shares | Live |
| HONG KONG SINO WAY ENTERPRISE LIMITED | Private company limited by shares | Live |
| Sincere and Joyful Care Service Company Limited | Private company limited by shares | Dissolved |
| SINO METHOD LIMITED | Private company limited by shares | Dissolved |
| Sino Health Management Limited | Private company limited by shares | Live |
| SINOS INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO TOP INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| SINO HONOUR INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| SINO-GERMAN DIMEI ENERGY TECHNOLOGY JOINT CO., LIMITED | Private company limited by shares | Live |
| HongKong Sintao Design Limited | Private company limited by shares | Dissolved |
| SINO TACT (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINOBEST GROUP LIMITED | Private company limited by shares | Live |
| SINOX Energy Limited | Private company limited by shares | Live |
| SINO TRADE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO SUN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO RESERVES HOLDING CORPORATION LIMITED | Private company limited by shares | Live |
| SINO SUN IMP AND EXP CO., LIMITED | Private company limited by shares | Dissolved |
| SINOMAX ASSETS MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO TRANSPORT INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG GAM SING TRADING LIMITED | Private company limited by shares | Dissolved |
| YOU SING TRADING LIMITED | Private company limited by shares | Dissolved |
| Sinfonietta Technology (HK) Limited | Private company limited by shares | Dissolved |
| SINO-WALKER LIMITED | Private company limited by shares | Dissolved |
| SINOSEA SHIPPING LIMITED | Private company limited by shares | Live |
| Sino Minerals Asia Limited | Private company limited by shares | Live |
| Sinoey Electronic Technology Co. Limited | Private company limited by shares | Live |
| SINKO PRODUCTS (CHINA) LIMITED | Private company limited by shares | Dissolved |
| TOOYEE CERAMICS (SINO-GERMAN JOINT VENTURE) INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO SING INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SING GO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOTRIPRO GROUP INVESTMENT LIMITED | Private company limited by shares | Live |
| RICH SINO CORPORATION LIMITED | Private company limited by shares | Live |
| SINO VIEW PROPERTIES LIMITED | Private company limited by shares | Live |
| SUN SING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| SINO FU TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL TRADE COMPANY LIMITED | Private company limited by shares | Live |
| SINO CORPORATE CONSULTING LIMITED | Private company limited by shares | Dissolved |
| SINO TECHNOLOGY INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TOWER IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| HK SINO INT'L NEW ENERGY CO., LIMITED | Private company limited by shares | Live |
| SINO ALLY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO EAST LIMITED | Private company limited by shares | Live |
| YOUNG SING HEATECH CO., LIMITED | Private company limited by shares | Dissolved |
| SINO SUN (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO WELL PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO SONIC LIMITED | Private company limited by shares | Live |
| SINO GRAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NATIONAL SINO LIMITED | Private company limited by shares | Live |
| SINOTIG LIMITED | Private company limited by shares | Live |
| SING YEE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINO INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| CAPITAL SINO CORPORATION LIMITED | Private company limited by shares | Live |
| SINO ACT LIMITED | Private company limited by shares | Live |
| SINO SAIL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINOINTURE CORPORATION (HONGKONG) LIMITED | Private company limited by shares | Live |
| OEC - Sino Pura Partners Limited | Private company limited by shares | Live Commenced dormancy on 12-Jan-2016 |
| SINO CULTURAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SinoPins Company Limited | Private company limited by shares | Live |
| SINO CHAMPION TRADING LIMITED | Private company limited by shares | Dissolved |
| VICTORY SINO TRADING LIMITED | Private company limited by shares | Live |
| CENTURY SINO (H.K.) LIMITED | Private company limited by shares | Live |
| Sino Healthcare (Hong Kong) Trading Limited | Private company limited by shares | Live |
| SINO FIELD INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Sinocuit Technology Limited | Private company limited by shares | Live |
| FUK SING ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO LINKAGE INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| SINO-AFRICA SINCEER INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| SINAGUIDE LIMITED | Private company limited by shares | Live |
| Sinoport Industry Co., Limited | Private company limited by shares | Dissolved |
| KONG SING LIGHTING LIMITED | Private company limited by shares | Live |
| GRAND SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| FIRST SINO (H.K.) LIMITED | Private company limited by shares | Live |
| SINO BIOMEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO RIVER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINOTEX INCORPORATION LIMITED | Private company limited by shares | Live |
| KWAN SING SHOES (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO RAISE LIMITED | Private company limited by shares | Live |
| SINO TOP ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO WIN INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| SINO HAHALA ANIME NETWORK TECH LIMITED | Private company limited by shares | Dissolved |
| SINO MORAL LIMITED | Private company limited by shares | Live |
| SINO RISE OVERSEAS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINO STRONG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINONET LIMITED | Private company limited by shares | Dissolved |