Hoang Duong Address: Duong Dinh Hamlet, Duong Xa Commune, Gia Lam District, Ha Noi City Enterprise code: 0100947355 Phone: 0248765315 Representative: Hoang Ba Van Adress: Duong Dinh Hamlet, Duong Xa Commune, Gia Lam District, Ha Noi City Duong Xa Commune, Gia Lam District, Ha Noi CityFounding date: 5 - 11 - 1999