Khao Sat, Thiet Ke Va Xay Dung Viet Nam Joint Stock Company Address: No 10, Lane 15, Trung Kinh Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101629161 Phone: 02466627906 Representative: Nguyen Canh Hoang Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 4 - 2005