Cong Nghe Va Dich Vu Hoang An LTD Address: No 1, 40/34 To Vinh Dien Alley, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105827037 Phone: 0922148043 Representative: Nguyen Duc Hieu Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 19 - 3 - 2012