Dang Khoa Yen Vien LTD Address: Trung Quan Hamlet, Yen Thuong Commune, Gia Lam District, Ha Noi City Enterprise code: 0105563987 Phone: 02438781037 Representative: Nguyen Dang Hop Adress: Trung Quan Hamlet, Yen Thuong Commune, Gia Lam District, Ha Noi City Yen Thuong Commune, Gia Lam District, Ha Noi CityFounding date: 11 - 10 - 2011