Xay Dung, Thuong Mai Va Dich Vu Ky Thuat Chi Thang LTD Address: No 5, Lot 1D, Trung Yen 11C Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101336327 Phone: 0243783622 Representative: Nguyen Thi Hoang Yen Adress: No 48, Lan Ong Street, Hang Bo Ward, Hoan Kiem District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 3 - 2003