1, Beijing Datang Fuel Co., Ltd. (Datang International (Hong Kong) Co., Ltd.).
2. Inner Mongolia Datang Fuel Co., Ltd.
3. Qinhuangdao Branch of Beijing Datang Fuel Co., Ltd. ..
4. Chaozhou Datang Fuel Co., Ltd.
5. Datang Tongzhou Technology Co., Ltd. ..
6. Beijing Tongzhou Gaodian Environmental Protection Technology Co., Ltd..
7. Beijing Tongzhou Xinyuan Building Materials Technology Development Co., Ltd. ..
8 Fujian Datang Tongzhou Cai Yi Environmental Protection Technology Co., Ltd.
9. Ningbo Datang Tongzhou Environmental Protection Technology Co., Ltd ..
10, Tangshan Port Datang Tongzhou Building Materials Co., Ltd.
1 1 Jiangsu Datang Tongzhou Environmental Protection Technology Co., Ltd.
12, Tangshan Branch of Datang Tongzhou Technology Co., Ltd.
13, Zhangjiakou Branch of Datang Tongzhou Technology Co., Ltd.
Datang Tongzhou Technology Co., Ltd. Raoping Chaodian Branch 14.
Datang Tongzhou Technology Co., Ltd. Qingtongxia Dam Branch 15 ..
Datang Tongzhou Technology Co., Ltd. Togtoh Branch 16 ..
17, Jinzhou branch of Datang Tongzhou technology co., ltd.
18, Yuncheng Branch of Datang Tongzhou Technology Co., Ltd. ..