Dau Tu Phat Trien Va Dich Vu Hoang Long Joint Stock Company Address: No 5a, Giap Nhat, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105931140 Phone: 01675868838; 0375868838 Representative: Phan Thi Tu Uyen Adress: No 137, 173 Hoang Hoa Tham Lane, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 28 - 6 - 2012