Cong Nghe Khao Sat Va Xay Dung Joint Stock Company Address: No 695 Hoang Hoa Tham, Vinh Phuc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0104144359 Phone: 0902398999 Representative: Duong Quoc Thanh Adress: Civil Group 14, Yen Hoa Ward, Cau Giay District, Ha Noi City Vinh Phuc Ward, Ba Dinh District, Ha Noi CityFounding date: 4 - 9 - 2009