Thuong Mai Va Dich Vu Ky Thuat An Viet LTD Address: No 35, Bo Song Street, Quan Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0104973719 Phone: 02437753707 Representative: Nguyen Van Khuyen Adress: No 921, La Thanh Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Quan Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 26 - 10 - 2010