Hop Tac Xa Du Lich Lang Nghe Truyen Thong Ngoi Am Duong Lung Ri Address: Lung Ri Hamlet, Tu Do Commune (HET Hieu LUC), Quang Hoa District, Cao Bang Province Enterprise code: 4800938681 Phone: 02277266342 Representative: Hoang Minh Dong Quang Hoa District, Cao Bang ProvinceFounding date: 14 - 1 - 2025