Trung Tam Kinh Doanh Va Huong Dan Du Lich Address: Dai Lo Hung Vuong, Gia Cam Ward, Viet Tri City, Phu Tho Province Enterprise code: 2600165310-001 Phone: 0210845125 Gia Cam Ward, Viet Tri City, Phu Tho ProvinceFounding date: 31 - 12 - 1998