Duong Hai LTD Address: Civil Group 1, Linh Nam Ward, Hoang Mai District, Ha Noi City Enterprise code: 0100832805 Phone: 0246444908 Representative: Nguyen Dang Hai Adress: No 108 39 P.Ngoc Ha Civil Group, Ba Dinh District, Ha Noi City Linh Nam Ward, Hoang Mai District, Ha Noi CityFounding date: 6 - 3 - 1999