Do Dac Ban Do Va Khao Sat Dia Chat Joint Stock Company Address: No 193 Civil Group 5, Kien Hung Ward, Ha Dong District, Ha Noi City Enterprise code: 0107997556 Phone: 0988770887 Representative: Le Ngoc Tu Adress: No 193 Civil Group 5, Kien Hung Ward, Ha Dong District, Ha Noi City Kien Hung Ward, Ha Dong District, Ha Noi CityFounding date: 20 - 9 - 2017