Dau Tu Khao Sat Va Xay Dung Quynh Anh Joint Stock Company Address: No 51, Lane 27, Vong Thi Street, Buoi Ward, Tay Ho District, Ha Noi City Enterprise code: 0101861654 Phone: 0983544882 Representative: Duong Van Than Adress: No 29B, Civil Group 3, Trich Sai, Buoi Ward, Tay Ho District, Ha Noi City Buoi Ward, Tay Ho District, Ha Noi CityFounding date: 24 - 1 - 2006