Thuong Mai Du Lich Hoang Long Address: 2454 Dai Lo Hung Vuong, Van Co Ward, Viet Tri City, Phu Tho Province Enterprise code: 2600202178 Phone: 02103952412 Representative: Hoang Thi Hong Nam Adress: Khu 2, Van Co Ward, Viet Tri City, Phu Tho Province Van Co Ward, Viet Tri City, Phu Tho ProvinceFounding date: 3 - 10 - 1998