Hop Tac Xa Duong Ha Address: Na Chua Hamlet, Trung Hoa Commune, Ngan Son District, Bac Kan Province Enterprise code: 4700292813 Phone: 02374860519 Representative: Duong Thi Ha Trung Hoa Commune, Ngan Son District, Bac Kan ProvinceFounding date: 26 - 4 - 2024