| Sinosgoods Technologies (HK) Limited | Private company limited by shares | Live |
| SINO AUTOMOTIVE CONSULTING HK LIMITED | Private company limited by shares | Live |
| SINOBOCA LIMITED | Private company limited by shares | Live |
| WO SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINO SPEED INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ON GROUP INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO BASE (HK) LIMITED | Private company limited by shares | Live |
| Sino Daren Company Limited | Private company limited by shares | Live |
| SINO HENGTONG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINORITA SDN BDH LIMITED | Private company limited by shares | Dissolved |
| Nam Sing Trading (HK) Limited | Private company limited by shares | Dissolved |
| SINO CARBON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SING HEI TRADING LIMITED | Private company limited by shares | Dissolved |
| Sino Bright Group Limited | Private company limited by shares | Live |
| SINO WISE PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO CREATOR INVESTMENT LIMITED | Private company limited by shares | Live |
| SINCERE GREAT LIMITED | Private company limited by shares | Live |
| SINO International Products Co. Limited | Private company limited by shares | Live |
| Sino Mining Mineral Resources Limited | Private company limited by shares | Dissolved |
| HONEST SINCERE LIMITED | Private company limited by shares | Live |
| SINO HILL GROUP LIMITED | Private company limited by shares | Live |
| Sino Wise Manufacturing Group (HK) Limited | Private company limited by shares | Live |
| Sino Performer Industrials Co., Limited | Private company limited by shares | Live |
| SINO AMERICAN (HK) LIMITED | Private company limited by shares | Live |
| Sinomold (HK) Limited | Private company limited by shares | Live |
| Sino Global Solutions Limited | Private company limited by shares | Live |
| SING FAI RIVER WORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| RIGHT SINO LIMITED | Private company limited by shares | Dissolved |
| SINO-GLORY RESOURCES HOLDING CO., LIMITED | Private company limited by shares | Live |
| SINO RICH WORLD LIMITED | Private company limited by shares | Live |
| SINO OCEAN MARINE LIMITED | Private company limited by shares | Live |
| SINO TECH SUCCESS LIMITED | Private company limited by shares | Dissolved |
| SINOWIT CHEMICAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO TRIWIN ENERGY INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SING FAI TRADING CO., LIMITED | Private company limited by shares | Live |
| SINO TRIWIN MINING GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO LUCKY INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO WORLD TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINOUP INTERNATIONAL GROUP COMPANY LIMITED | Private company limited by shares | Live |
| GULF SINO EXCHANGE LIMITED | Private company limited by shares | Dissolved |
| SINCERE EASE INSURANCE LIMITED | Private company limited by shares | Dissolved |
| SINO SHIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DRAGON SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| PLUS SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASIA SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST INTERNATIONAL CREATION LIMITED | Private company limited by shares | Live |
| SINO GOOD WEALTH CREATION LIMITED | Private company limited by shares | Dissolved |
| SINGLE Temperature Controls Hong Kong Limited | Private company limited by shares | Live |
| SINO SUPREME INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO SUPREME INVESTMENTS LIMITED | Private company limited by shares | Live |
| SING INRONG (H.K.) GROUP LIMITED | Private company limited by shares | Live |
| YUEN SING JEWELLERY & WATCH LIMITED | Private company limited by shares | Live |
| SINPSON SHIP ENGINEERING LIMITED | Private company limited by shares | Live |
| Sinoworks Limited | Private company limited by shares | Live |
| EXCELLA EXPERTISE (SINO) LIMITED | Private company limited by shares | Live |
| SINO WIDE GROUP LIMITED | Private company limited by shares | Live |
| Sinder International Trade Co., Limited | Private company limited by shares | Dissolved |
| TUNG SING INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINO FLOURISH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO EPA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO BENEFIT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Sino Titans Limited | Private company limited by shares | Dissolved |
| SINO OCEAN PROPERTIES LIMITED | Private company limited by shares | Live |
| SINOMEDO SUPPLY CHAIN LIMITED | Private company limited by shares | Dissolved |
| SINOWIN SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| SINOPOWER TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| SINO CHANGE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO CHAMP PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO SHIP FUND FINANCE CO., LIMITED | Private company limited by shares | Dissolved |
| CHEONG SING ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Sino Ethics Bio-Tech Company Limited | Private company limited by shares | Live |
| SING Entertainment Group Limited | Private company limited by shares | Live |
| SINOMED PTE. LIMITED | Private company limited by shares | Live |
| SINO STORE CO., LIMITED | Private company limited by shares | Live |
| HONGKONG SINOTATTOO COMPANY LIMITED | Private company limited by shares | Live |
| SINO PACK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Sino Furn Limited | Private company limited by shares | Live |
| SINOSTAR TRADING LIMITED | Private company limited by shares | Live |
| SINOWIN AUTOMATION LIMITED | Private company limited by shares | Live |
| NINGBO SINOKEE INDUSTRIAL AND TRADING CO., LIMITED | Private company limited by shares | Live |
| SING WA CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Huge Way (Sino-HK) Logistics Limited | Private company limited by shares | Live |
| Sinogreen Asia Limited | Private company limited by shares | Live |
| Sinoros Limited | Private company limited by shares | Live |
| SINO ALFA INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO NINGBO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SING WUI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO TARGET TRADING LIMITED | Private company limited by shares | Live |
| Sino Photographic Art Publishing Co., Limited | Private company limited by shares | Dissolved |
| Sino Wines (Hong Kong) Limited | Private company limited by shares | Dissolved |
| SINO-BABY ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Sino African Consulting Group Limited | Private company limited by shares | Dissolved |
| Sino Shin International Investment Group Limited | Private company limited by shares | Live |
| SING FORE LIMITED | Private company limited by shares | Live |
| SINO SCAN BUSINESS LIMITED | Private company limited by shares | Live |
| SINO SUMMIT INVESTMENT LIMITED | Private company limited by shares | Live |
| LUI SING AUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO COSMOS SHIPPING LIMITED | Private company limited by shares | Live |
| SING YIU RESOURCES TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |