| SINO CATALYST CO LIMITED | Private company limited by shares | Live |
| SINOCEAN INTERNATIONAL TRADE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SinoSinc International (HK) Co., Limited | Private company limited by shares | Live |
| SINO STAR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| ZHENGDIAN INTERNATIONAL (HK) SILICONE LIMITED | Private company limited by shares | Live |
| SINO TECHNOLOGY (INTERNATIONAL) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ASSURANCE LIMITED | Private company limited by shares | Live |
| LUCK SIGNS LIMITED | Private company limited by shares | Live |
| SIRIDE TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO FARFLY TRADING LIMITED | Private company limited by shares | Live |
| SIMSIM LIMITED | Private company limited by shares | Dissolved |
| SINOTEX INVESTMENT LIMITED | Private company limited by shares | Live |
| YAU SING TRADE (HONG KONG) LIMITED | Private company limited by shares | Live |
| WAN SING HOUSEHOLD APPLIANCES (H.K.) LIMITED | Private company limited by shares | Live |
| SINO WAY MANAGEMENT LIMITED | Private company limited by shares | Live |
| SIXBLOCK LIMITED | Private company limited by shares | Dissolved |
| SILVER ASIA ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO UNITED ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sino Lube International Industry Limited | Private company limited by shares | Live |
| Lok Sing Gas Products Limited | Private company limited by shares | Dissolved |
| SINODRILLS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO TECHNOLOGY INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SIMPLE INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHIJIAZHUANG SINOPETER TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO LANE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Sino Interiors Limited | Private company limited by shares | Live |
| SILVER HORIZON INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sixty Asia (HK) Limited | Private company limited by shares | Live |
| SINO-ANGOLA INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SING FOO GEARS (HK) CO., LIMITED | Private company limited by shares | Live |
| STARS INTERNATIONAL SILICONE CRAFTS LIMITED | Private company limited by shares | Live |
| FRANCE SISLEY GROUP INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| Sino Renewable Trading Limited | Private company limited by shares | Live |
| SITTO INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SINOBRAS CONSULTANT & TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO KING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Signal Ahead Limited | Private company limited by shares | Dissolved |
| SILVERLOY COMPANY LIMITED | Private company limited by shares | Live |
| SINO WORLD DEVELOP LIMITED | Private company limited by shares | Live |
| SINO WEALTH (CHINA) LIMITED | Private company limited by shares | Live |
| Sino Pharm Limited | Private company limited by shares | Live |
| SINO FAMOUS CORPORATION LIMITED | Private company limited by shares | Live |
| GOLDEN WOOD CITY SINO-HK TRADING LIMITED | Private company limited by shares | Live |
| SINO STRONG DEVELOP LIMITED | Private company limited by shares | Live |
| SINO ASIA DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SING YAM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PAN SING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SISI ACCESSORIES COMPANY LIMITED | Private company limited by shares | Live |
| SINEUCOM LIMITED | Private company limited by shares | Live |
| ZHEJIANG SIYANG INDUSTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO KINGKEY HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| EAST SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| ASIA SINO CONSULTANTS LIMITED | Private company limited by shares | Live |
| WAI SING TRANSPORATION LIMITED | Private company limited by shares | Dissolved |
| SITEPO INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINOCEAN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINOSTAR INDUSTRIAL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| BOLIN SILICONE RUBBER THCH (HK) LIMITED | Private company limited by shares | Live |
| SILVERFASHION COMPANY LIMITED | Private company limited by shares | Live |
| SINO ORIENT LIMITED | Private company limited by shares | Dissolved |
| SINO ORIENT INVESTMENT LIMITED | Private company limited by shares | Live |
| TSUN SING ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO ACT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SilkRoad Invest Limited | Private company limited by shares | Live |
| XINHE SILICONE GIFTS CO., LIMITED | Private company limited by shares | Live |
| SIMSUKIAN GROUP (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| AMPLE SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| China Sino Stone Group Co., Limited | Private company limited by shares | Live |
| SINOGLORY INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| XIYUE SILICONE PRODUCTS (HK) LIMITED | Private company limited by shares | Live |
| SINO INDUSTRIAL GROUP CO., LIMITED | Private company limited by shares | Live |
| MULTI SINO (CHINA) METAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| VulcanPro Silicone Industrial (HK) Limited | Private company limited by shares | Live |
| SINO MAE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Time High Silver (HK) International Investment Limited | Private company limited by shares | Live |
| Sino Iron Resources Limited | Private company limited by shares | Live |
| SINO ART ENTERPRISES LIMITED | Private company limited by shares | Live |
| Silverburg Limited | Private company limited by shares | Live |
| Sino IP Office Company Limited | Private company limited by shares | Live |
| SINO INVESTMENT HIGH-TECH LIMITED | Private company limited by shares | Live |
| SINO PLAN INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOFIX SHIPPING LIMITED | Private company limited by shares | Live |
| Simple Fashion Limited | Private company limited by shares | Live |
| SINONIC GROUP LIMITED | Private company limited by shares | Live |
| SINO-ELECTRIC HOLDING CO., LIMITED | Private company limited by shares | Live |
| SINO FLYING DEVELOP (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINNOCO LIMITED | Private company limited by shares | Live |
| SIYUAN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SIGHTEC HOLDING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO LINKS CHINA LIMITED | Private company limited by shares | Live |
| ORIENT SINO ENTERTAINMENT HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| SINO EAST INC. LIMITED | Private company limited by shares | Dissolved |
| SINO JOY GROUP LIMITED | Private company limited by shares | Live |
| SinoVet Limited | Private company limited by shares | Live |
| LAP SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINO GROUP (H.K.) LIMITED | Private company limited by shares | Live |
| SINO ORIENT (H.K.) LIMITED | Private company limited by shares | Live |
| SINO GREAT ENTERPRISES LIMITED | Private company limited by shares | Live |
| LONG SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SIERRA HOLDINGS LIMITED | Private company limited by shares | Live |