Thuong Mai Ky Thuat Dien Thien Son LTD Address: No 508, Nha K11a, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105870508 Phone: 0988366258 Representative: Vu Duc Cuong Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 27 - 4 - 2012