Thuong Mai Va Dich Vu Ky Thuat An Thinh Joint Stock Company Address: No 162, Le Trong Tan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101472714 Phone: 0245656745 Representative: Le Quang Tuan Adress: Truong Trung Hoc Canh Sat Nhan Dan I Town, Thanh Xuan District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 20 - 4 - 2004