Thuong Mai Xay Dung Ha An LTD Address: Zoom 301, K9 Khu, Bach Khoa Town, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101416685 Phone: 0248682466 Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 13 - 11 - 2003