| Tualing Limited | | Live |
| TUAN MAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| JIA REN JI TUAN LIMITED | Private company limited by shares | Live |
| REN XIN JI TUAN LIMITED | Private company limited by shares | Live |
| LI TUAN LIMITED | Private company limited by shares | Live |
| BUI ANH TUAN LIMITED | | Live |
| ELITE JI TUAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUAN FOOK LIMITED | Private company limited by shares | Dissolved |
| TUAN GOLD COMPANY LIMITED | Private company limited by shares | Dissolved |
| Xiang gang zi guang lu se ke ji chan ye ji tuan fa zhan tou zi Limited | Private company limited by shares | Live |
| GUANG TUAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ZHONG HUA MIN ZU TUAN JIE YOU HAO XIE HUI WU TAI SHAN GIAN XI GUAN YIN KAI GUANG FA HUI LIMITED | Private company limited by shares | Dissolved |
| TUAN JIU HOLDING LIMITED | Private company limited by shares | Live |
| Tuan RouRou Limited | Private company limited by shares | Live |
| NAN BEI SHAO LIN JI TUAN LIMITED | Private company limited by shares | Live |
| XIANG GANG RONG HUI JI TUAN LIMITED | Private company limited by shares | Dissolved |
| EYU SHI JIA (NAN YANG) KONG GU JI TUAN CO., LIMITED | Private company limited by shares | Dissolved |
| TUAN AND YUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| Zhen Guo Tuan Limited | Private company limited by shares | Live |
| TUANBAO LIMITED | Private company limited by shares | Live |
| TuanChe Information Group Limited | Private company limited by shares | Live |
| TuanChe Information Limited | Private company limited by shares | Live |
| TUANGU LIMITED | Private company limited by shares | Live |
| Tuanjie Company Limited | Private company limited by shares | Live |
| TUANJU LIMITED | Private company limited by shares | Dissolved |
| TUANN ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| TUANTUM ENERGY (CHINA) CO., LIMITED | Private company limited by shares | Live |
| HK TUANXIAN TRADING COMPANY LIMITED | Private company limited by shares | Live |
| TUASK LIMITED | Private company limited by shares | Live |
| TUASON COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUASON PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| TUATARA LIMITED | Private company limited by shares | Dissolved |
| Tuatara 124 Group Limited | Private company limited by shares | Live |
| TUATRADE HK LIMITED | Private company limited by shares | Live |
| TUBAL COMPANY LIMITED | Private company limited by shares | Live |
| TUBALENT LIMITED | Private company limited by shares | Dissolved |
| TUBAN TIA (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CHINA TUBANG GROUP LIMITED | Private company limited by shares | Live |
| TUBAOBAO (HK) BANCAI CO., LIMITED | Private company limited by shares | Live |
| TUBAOBAO SANITARY WARE (FOSHAN) INDUSTRY LIMITED | Private company limited by shares | Live |
| ITALY TUBAOBAO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Tubar Limited | Private company limited by shares | Live |
| Tubar Technology Co., Limited | Private company limited by shares | Live |
| Tubarao Limited | Private company limited by shares | Live |
| TUBCP LIMITED | | Live |
| 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 |