Dau Tu Phat Trien Hoang Ha Joint Stock Company Address: Hoa Dinh Hamlet, Vo Cuong Commune, Bac Ninh City, Bac Ninh Province Enterprise code: 2300278634 Phone: 02122828432 Representative: Do Trong Tuan Adress: Hamlet 14, Tru 1 Hamlet, Co Nhue Commune, Tu Liem District, Ha Noi City Vo Cuong Ward, Bac Ninh City, Bac Ninh ProvinceFounding date: 28 - 4 - 2006