Tu Van Thiet Ke Khao Sat Do Dac Va Ban Do Joint Stock Company Address: No 7, Civil Group 28, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0104408844 Phone: 02485875039 Representative: Ngo Van Canh Adress: No 32, Alley 38/37, Xuan La Street, Tay Ho District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 2 - 2 - 2010