Constrexim Hong Ha Joint Stock Company Address: CT4-5 Khu DTM Yen Hoa Building, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102314598 Phone: 02437821586 Representative: Do Tuong Hai Adress: Hamlet 7, Co Nhue Commune, Tu Liem District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 13 - 7 - 2007