Xay Dung Ky Thuat SH Viet Nam Joint Stock Company Address: No 23 H14, 147 Tan Mai Lane, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102797112 Phone: 0904999246 Representative: Nguyen Huy Binh Adress: No 115 Bui Xuong Trach, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 1 - 7 - 2008