| TUBE AMP LIMITED | Private company limited by shares | Dissolved |
| U TUBE COMPANY LIMITED | Private company limited by shares | Live |
| MY BUY TUBE LIMITED | Private company limited by shares | Dissolved |
| Tube A Limited | Private company limited by shares | Live |
| Tube B Limited | Private company limited by shares | Live |
| GIF TUBE LIMITED | Private company limited by shares | Live |
| X Tube Limited | Private company limited by shares | Live |
| Y.S. CHUI TUBE AUDIO & ELECTRONIC ACCESSORIES LIMITED | Private company limited by shares | Dissolved |
| CANGZHOU DEX TUBE AND FITTING LIMITED | Private company limited by shares | Dissolved |
| JINDE TUBE INDUSTRY (CHINA) INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| LED TUBE CO., LIMITED | Private company limited by shares | Live |
| BAOSHENG PRECISION TUBE CO., LIMITED | Private company limited by shares | Live |
| BAOSHENG PRECISION TUBE CO., LIMITED | | Live |
| DONG AH TUBE CO., LIMITED | Private company limited by shares | Live |
| HUIDA TUBE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Liang Bao Precision Tube Co., Limited | Private company limited by shares | Live |
| Dream Tube Entertainment Company Limited | Private company limited by shares | Live |
| ZHEJIANG HAOZHENG ZHENGTAI ELECTRICAL ENGINEERING TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| GENFIT TUBE LIMITED | Private company limited by shares | Dissolved |
| Germany Glanvill Tube Limited | Private company limited by shares | Live |
| TUBE GLOBAL SERVICE CO., LIMITED | Private company limited by shares | Dissolved |
| GOLD TUBE LIMITED | Private company limited by shares | Live |
| HONG KONG CATHODE RAY TUBE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG JUNSHENG TUBE CO., LIMITED | Private company limited by shares | Live |
| HONG KONG BIG DRAGON SPIRAL TUBE COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG KADIER TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| CHINA & USA.SUNSOURCE TUBE INDUSTRY TECHNOLOGY (SUZHOU) LIMITED | Private company limited by shares | Dissolved |
| TUBE INDUSTRY INVESTMENTS LIMITED | Private company limited by shares | Live |
| QINGDAO RIFENG TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| HK CFY PAPER TUBE CO., LIMITED | Private company limited by shares | Live |
| ROCKET IC TUBE LIMITED | Private company limited by shares | Dissolved |
| GERMANY SANEPER TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| SHANGHAI BOERTE TUBE CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI XINHUI TUBE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI JINDAXIANG TUBE CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI RIFENG TUBE VALVE CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI HAOCHENG TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| SHANGHAI JINMIN TUBE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI RUIJIE TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| SHANGHAI RIFENG TUBE INDUSTRY SHARES LIMITED | Private company limited by shares | Live |
| SHANGHAI SUKANG TUBE INDUSTRY LIMITED | Private company limited by shares | Live |
| SHANGHAI YUGU TUBE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| JINNIU TUBE (SHANGHAI) LIMITED | Private company limited by shares | Live |
| SHANGHAI XIN BAI DIE TUBE INDUSTRY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHANGHAI YIJIE TUBE LIMITED | Private company limited by shares | Live |
| Smart Tube Limited | Private company limited by shares | Live |
| Sturdy Tube Limited | Private company limited by shares | Live |
| Power Tube Systems Limited | Private company limited by shares | Live |
| tubeBay Limited | Private company limited by shares | Live |
| TUBEE SPORTS LIMITED | | Live |
| TUBEFORM LIMITED | Private company limited by shares | Dissolved |
| Germany Tubeiyou New Material Co., Limited | | Live |
| TUBELA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TUBELOK LIMITED | Private company limited by shares | Dissolved |
| TUBEMASTER OILFIELD SUPPLY LIMITED | Private company limited by shares | Live |
| TUBEMASTERS LIMITED | Private company limited by shares | Dissolved |
| TUBEN INTERNATIONAL HOTEL GROUP HOLDING CO., LIMITED | | Live |
| TubePharm Limited | Private company limited by shares | Live |
| TUBEROSE LIMITED | Private company limited by shares | Dissolved |
| AMERIASIA TUBES, LIMITED | Private company limited by shares | Dissolved |
| ASIAN TUBES AND DRILLING LIMITED | Private company limited by shares | Live Commenced dormancy on 15-Mar-2016 |
| FORRUM PLASTIC TUBES LIMITED | Private company limited by shares | Dissolved |
| ITALY TUBES INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TUBES TRADE LIMITED | Private company limited by shares | Dissolved |
| TUBEST PACKING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| TUBEWRIGHTS LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Feb-2014 |