| TONGZ MACHINERY LIMITED | Private company limited by shares | Dissolved |
| TONGZ TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| TONGZHAN SHIPPING CO., LIMITED | Private company limited by shares | Live |
| TONGZHAN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TONGZHAN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TONGZHAO TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| CHINA TONGZHENG INVESTMENT GROUP CO., LIMITED | Private company limited by shares | Live |
| DIGITAL HUTONGBAO TONGZHENG SERVICE CO., LIMITED | | Live |
| TongZheng Electronics Company Limited | | Live |
| HK TONGZHENG ELECTRIC GROUP LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Tongzheng Acoustics Tech Company Limited | Private company limited by shares | Live |
| TongZheng Biotechnology HongKong Limited | Private company limited by shares | Live |
| Tongzheng Information Technology Co., Limited | | Live |
| TONGZHENG NETWORK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK Tongzhi Trading Company Limited | Private company limited by shares | Live |
| TONGZHI TRADING LIMITED | | Live |
| TONGZHIREN INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| TONGZHITONG (HONG KONG) ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| TONGZHOU LIMITED | Private company limited by shares | Live |
| TONGZHOU HECHUANG LIMITED | | Live |
| Yanxin tongzi changshou jiubugong Culture Communication Co., Limited | Private company limited by shares | Live |
| TONGZI ART STUDIO LIMITED | | Live |
| HK TONGZIJUN INTERNATIONAL EDUCATION INVESTMENT HOLDING GROUP LIMITED | Private company limited by shares | Live |