Dau Tu Va Phat Trien Dong Ke Vang Joint Stock Company Address: No 7, Lane 36, Nguyen Viet Xuan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102573031 Phone: 0242917428 Representative: Hoang Thi Hoai Thu Adress: Dinh Hamlet, Dai Mo Commune, Tu Liem District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 24 - 12 - 2007