Tu Van Dau Tu Va Xay Dung Dai Duong LTD Address: No 42, Lane 35, Dang Thai Mai Street, Quang An Ward, Tay Ho District, Ha Noi City Enterprise code: 0101932707 Phone: 0247181566 Representative: Nguyen Hai Duong Adress: No 6B, Lane 34/178, Vinh Tuy Street, Hai Ba Trung District, Ha Noi City Quang An Ward, Tay Ho District, Ha Noi CityFounding date: 8 - 5 - 2006