Thiet Ke Va Dau Tu Dong Son LTD Address: No 8, 360/5 De La Thanh Alley, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0104196300 Phone: 02438512866 Representative: Le Duc Tuan Adress: No 8, 360/5 De La Thanh Alley, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 7 - 10 - 2009