| Sincere Vision Co., Limited | Private company limited by shares | Live |
| SinusWars Limited | Private company limited by shares | Dissolved |
| TAK SING MOTOR PARTS LIMITED | Private company limited by shares | Live |
| HK Sino Sources Holding Industrial Co., Limited | Private company limited by shares | Live |
| Sincere Jewels Limited | Private company limited by shares | Live |
| MILLION SINO INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOTURKEY (HONGKONG) LIMITED | Private company limited by shares | Live |
| Sinowave-tech Limited | Private company limited by shares | Live |
| SING YIP TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| GREAT SINO GROUP LIMITED | Private company limited by shares | Live |
| SinoFet Co., Limited | Private company limited by shares | Live |
| Sinofarm Limited | Private company limited by shares | Live |
| Sino Aluminium International Limited | Private company limited by shares | Live |
| SINOTECH GOLDMINE LIMITED | Private company limited by shares | Live |
| SINO FORTUNE GROUP LIMITED | Private company limited by shares | Live |
| SINO FIELD TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOARAB LIMITED | Private company limited by shares | Live |
| EXCELLENT REMIT SINCERE (CHINA) INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOSTAR SHIPPING AGENCY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ADVAN (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Sino-gain Resources Investment Company Limited | Private company limited by shares | Dissolved |
| SINO TOP INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| Sinosync International Limited | Private company limited by shares | Live |
| Sino HB Mas Limited | Private company limited by shares | Live |
| SINO-OCEAN INTERNATIONAL TRADE (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINO MAX INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| SINOBIO CHEMISTRY CO., LIMITED | Private company limited by shares | Live |
| SINO SMART INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SingKai Corporation Limited | Private company limited by shares | Dissolved |
| Sino Legend International Trading Limited | Private company limited by shares | Dissolved |
| ESI Euro Sino Invest Limited | Private company limited by shares | Live |
| SINO LOYALTY ENERGY RESOURCES INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO MUNDO SOLUTIONS CO. LIMITED | Private company limited by shares | Live |
| SMART SINO INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| SINERGY CORPORATION LIMITED | Private company limited by shares | Live |
| Sino PuDong Energy Limited | Private company limited by shares | Live |
| SINGLE CHRISTIANS HOTLINE LIMITED | Private company limited by shares | Dissolved |
| ACI Sincere Adheresco Limited | Private company limited by shares | Dissolved |
| SUPER SINO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO CENTURY CORPORATION LIMITED | Private company limited by shares | Live |
| SINO PATH INVESTMENT LIMITED | Private company limited by shares | Live |
| J&Z PACK SINO-PRINTING LIMITED | Private company limited by shares | Live |
| SINO FINANCE INTERNATIONAL CAPITAL GROUP LIMITED | Private company limited by shares | Live |
| SINOELTEC LIMITED | Private company limited by shares | Dissolved |
| RICH SINO INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| KAI SAI SING HONGKONG TRADING CO., LIMITED | Private company limited by shares | Live |
| SINO BRITISH TRADING LIMITED | Private company limited by shares | Live |
| SINO ASIA ENERGY OIL COMPANY LIMITED | Private company limited by shares | Live |
| ABLE SINCERE LIMITED | Private company limited by shares | Live |
| SINCERE ALLIANCE LIMITED | Private company limited by shares | Live |
| SING HOI LAM INTERNATIONAL SEAFOODS LIMITED | Private company limited by shares | Live |
| Sino Opes Industrial Co., Limited | Private company limited by shares | Dissolved |
| HK SINO GLOBAL TRADING LIMITED | Private company limited by shares | Live |
| SINO SMARTEX LIMITED | Private company limited by shares | Live |
| HO SING SCAFFOLDING WORKS LIMITED | Private company limited by shares | Dissolved |
| SINO MASTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINYE FASHION LIMITED | Private company limited by shares | Live |
| SING YU KAM CHUNG INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO TRIUMPH LIMITED | Private company limited by shares | Live |
| Sing Tak International Logistic Limited | Private company limited by shares | Live |
| Sino Solar Energy Group Limited | Private company limited by shares | Dissolved |
| SINWO LIMITED | Private company limited by shares | Live |
| GERMANY MAIHAO GROUP (SINO-GERMAN JOINT VENTURE) CO., LIMITED | Private company limited by shares | Live |
| AMAZING SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| CHI SING MECHANICAL LIMITED | Private company limited by shares | Live |
| WIN SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Sinoz Centernal Investment And Development Limited | Private company limited by shares | Live |
| SINO LIGHT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Singularity Limited | Private company limited by shares | Dissolved |
| SINO FORTUNE (HONG KONG) GROUP LIMITED | Private company limited by shares | Live |
| SINO-MART TRADE LIMITED | Private company limited by shares | Live |
| SINRAE PTY LIMITED | Private company limited by shares | Live |
| NEXT SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO SPEEDY LIMITED | Private company limited by shares | Dissolved |
| SINO REGENT TRADING LIMITED | Private company limited by shares | Live |
| SINADA TRDING CO., LIMITED | Private company limited by shares | Dissolved |
| SING WAH COMPANY LIMITED | Private company limited by shares | Live |
| SINO RESOURCES (HONG KONG) GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO BASE MARINE LIMITED | Private company limited by shares | Live |
| NEW SINO INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Sinhoo Co., Limited | Private company limited by shares | Dissolved |
| SinoBright Trading Limited | Private company limited by shares | Dissolved |
| SINO MEGA INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SINO SMOOTH INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Sinocomm (HK) Technology Limited | Private company limited by shares | Dissolved |
| SINO MACHINERY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO WINNER COMMERCIAL LIMITED | Private company limited by shares | Live |
| SINGTEC LIMITED | Private company limited by shares | Live |
| China Sinotest Science & Technology Co., Limited | Private company limited by shares | Live |
| SINO LEEYES LIMITED | Private company limited by shares | Dissolved |
| SING FAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO MINING INVESTMENT LIMITED | Private company limited by shares | Live |
| SING MAY METAL ACCESSORIES FACTORY LIMITED | Private company limited by shares | Live |
| SING YUM INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINO FRIEND LIMITED | Private company limited by shares | Dissolved |
| MING SING HONG WINES COMPANY LIMITED | Private company limited by shares | Live |
| FAI SING HONG KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino Enternity International Group Limited | Private company limited by shares | Live |
| SINO ENERGY SHIPPING (HONGKONG) LIMITED | Private company limited by shares | Live |
| Jun Sing Investment Limited | Private company limited by shares | Dissolved |