Van Phong Dai Dien Cong Ty TNHH Quan Son Address: No 42C, Lane 87, Lang Ha Street, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0101044941-001 Phone: 02463263859 Representative: Le Thanh Binh Adress: No 228B, 18a Civil Group, Trung Liet Ward, Dong Da District, Ha Noi City Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 13 - 2 - 2017