Van Phong Dai Dien Cong Ty Co Phan Hoang Ha Address: No 29, Khuat Duy Tien Street, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101146661-003 Phone: 02213989394 Representative: Luong Van Minh Adress: No 4, Lane 25, Tay Ho Street, Quang An Ward, Tay Ho District, Ha Noi City Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 19 - 1 - 2011