Chongqing iron and steel co., ltd
Sangang Company (Zhongxing Company)
Sigang company
Chaoyang company
Li Duo real estate stock company
Sanfeng environment company
Xingang company
Chongnai company
Xinteng company
Digital car model company
wholly-owned subsidiaries
transportation company
Electronic company
Machinery manufacturing company
Life service company
Iron and steel industrial company
Steel tube company
Sanfeng industry company
Hot ceramics company
Industry co., ltd
mining company
Sanhuan supervision company
import and export corporation
Hong kong company
Design institute
Chongqing iron and steel research institute
construction company
Sanfeng media company
Shuangbei also has a separate Chongqing Donghua Special Steel Company.