Xay Dung Dau Tu Cong Nghe Va Thuong Mai Thien An Joint Stock Company Address: No 117 Day A5 Tap The Thong Tan, Viet Nam Commune, Bui Ngoc Duong Street, Bach Mai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0108190525 Phone: 0888252366 Representative: Duong Thu Huyen Bach Mai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 19 - 3 - 2018