Chi Nhanh Cong Ty TNHH Thep Xay Dung Tu Son Address: Thu Lo Hamlet, Lien Ha Commune, Dong Anh District, Ha Noi City Enterprise code: 2300226280-001 Phone: 02223831028 Representative: Nguyen Van Nguu Adress: Thu Lo Hamlet, Lien Ha Commune, Dong Anh District, Ha Noi City Lien Ha Commune, Dong Anh District, Ha Noi CityFounding date: 11 - 10 - 2005