| Tongtai Technology Limited | | Live |
| TONGTAI TRADE LIMITED | Private company limited by shares | Dissolved |
| Tongtai Trading HK Limited | Private company limited by shares | Live |
| TONGTAIDA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TONGTAIHE (H.K.) CO., LIMITED | Private company limited by shares | Live |
| TONGTAIHE LOGISTICS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| Tongtaihuaxin Trading Limited | Private company limited by shares | Live |
| Tongtaihuaxin Trading Limited | Private company limited by shares | Live |
| TONGTAK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TONGTEX LIMITED | Private company limited by shares | Dissolved |
| CHINA TONGTIAN ASSETS MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| TONGTIAN TRADING LIMITED | Private company limited by shares | Live |
| Tongtian Century Trading Company Limited | Private company limited by shares | Live |
| TONGTIANLE COMPANY LIMITED | Private company limited by shares | Live |
| TONGTIANXIA LIMITED | Private company limited by shares | Live |
| HK TONGTIANXIANG INT'L INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| TONGTION (CHINA) INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Tongtong International Trade Co., Limited | | Live |
| HONG KONG TONGTONG GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG TONGTONG LIMITED | Private company limited by shares | Live |
| TONGTONG SOLAR ENERGY (HONGKONG) GROUP LIMITED | Private company limited by shares | Dissolved |
| Tongtong (HongKong) Renewable Energy Technology Limited | Private company limited by shares | Live |
| HONGKONG TONGTONG TECHNOLOGY LIMITED | | Live |
| HONGKONG TONGTONG INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| Tongtong International Co., Limited | | Live |
| Tongtong International Ship Lease Co., Limited | Private company limited by shares | Live |
| TONGTONG YISAN (KOREA) INT'L FINERY GROUP LIMITED | Private company limited by shares | Dissolved |
| TONGTUO TRADE CO., LIMITED | Private company limited by shares | Live |
| JIUZHOU TONGTUO LIMITED | Private company limited by shares | Live |
| TONGTUSHUN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Tongue and Cheek Consultancy Limited | Private company limited by shares | Live |
| Tongue N Lips Limited | | Live |
| Long Tongue Limited | | Live |
| Tongue Technology Company Limited | Private company limited by shares | Live |
| Tongue-in-Chic Limited | Private company limited by shares | Live |
| Star Tongues Wish Limited | Private company limited by shares | Live |
| TONGVO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TONGWANGDA METALS PRODUCT LIMITED | Private company limited by shares | Live |
| TongWangleung Trading Company Limited | Private company limited by shares | Live |
| TONGWAY COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TONGWAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW TONGWEI LIMITED | Private company limited by shares | Live |
| Tongweining Co., Limited | | Live |
| HK TONGWENHUA (INT'L) INDUSTRY LIMITED | Private company limited by shares | Live |
| TONGWIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tongwing Company Limited | Private company limited by shares | Live |
| TONGWING1 LIMITED | | Live |
| TONGWING2 LIMITED | | Live |
| TONGWO ELECTRONIC COMPANY LIMITED | Private company limited by shares | Live |
| HK TONGWUFU JEWELRY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TONGWUZHOU (HONG KONG) TRADE CO., LIMITED | Private company limited by shares | Live |
| TONGX CO., LIMITED | Private company limited by shares | Live |
| HK TONGXIANG TRADE LIMITED | Private company limited by shares | Live |
| Tongxie Group Limited | Private company limited by shares | Live |
| Tongxin Biotechnology Co., Limited | Private company limited by shares | Live |
| GUANGDONG FOSHAN TONGXIN CERAMICS CO., LIMITED | Private company limited by shares | Live |
| TONGXIN CHINA LIMITED | Private company limited by shares | Live |
| China Tongxin Limited | Private company limited by shares | Live |
| CHINA TONGXIN ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Tongxin Trade Group Co., Limited | Private company limited by shares | Live |
| Hong Kong Tongxin Electronic Co., Limited | Private company limited by shares | Live |
| TONGXIN METAL CO., LIMITED | Private company limited by shares | Live |
| Tongxin WND Power Co., Limited | | Live |
| Tongxin Inspiration Technology Co., Limited | Private company limited by shares | Live |
| Hong Kong Tongxin Lina Corporation Limited | | Live |
| TONGXIN INVESTMENT DEVELOPMENT PTE LIMITED | Private company limited by shares | Live |
| HK TONGXIN TECHNOLOGY ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| TONGXIN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| TONGXIN ELECTRONICS PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| HUIZHOU TONGXIN FITNESS TOYS CO., LIMITED | Private company limited by shares | Live |
| GERMANY TONGXIN GROUP LIMITED | Private company limited by shares | Live |
| HK TONGXIN GROUP HOLDING LIMITED | Private company limited by shares | Live |
| TONGXIN HARDWARE PRODUCTS CO., LIMITED | | Live |
| H.K. BEIZHEN TONGXIN INT'L DRESS LIMITED | Private company limited by shares | Live |
| TONGXIN ELECTRONIC (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TONGXIN INVESTMENT (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG TONGXIN INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG TONGXIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TONGXIN INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG TONGXIN ONLINE TECHNOLOGY LIMITED | | Live |
| HONGKONG TONGXIN TRADE OUTREACH CO., LIMITED | Private company limited by shares | Live |
| HONGKONG TONGXIN SHIPPING CO., LIMITED | Private company limited by shares | Live |
| TONGXIN PRECISION INDUSTRIAL (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG TONGXIN INDUSTRY TRADING LIMITED | Private company limited by shares | Live |
| HONGKONG TONGXIN INVESTMENT MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| HONGKONG TONGXIN METAL PRODUCTS CO., LIMITED | | Live |
| HONGKONG TONGXIN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TONGXIN TECHNOLOGY HONGKONG INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG TONGXIN TRADING LIMITED | Private company limited by shares | Live |
| HONGKONG TONGXIN INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| TONGXIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HUANGSHAN TONGXIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TONGXIN INDUSTRY LIMITED | Private company limited by shares | Live |
| Tongxin Innovation Limited | | Live |
| TONGXIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Tongxin International Co., Limited | | Live |
| TONGXIN INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TONGXIN INTERNATIONAL EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| TONGXIN INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Tongxin International Hong Kong, Limited | Private company limited by shares | Live |