Hop Tac Xa Ngoc Mai Address: Hong Thai Hamlet, Viet Hong Commune, Bac Quang District, Ha Giang Province Enterprise code: 5100483712 Phone: 0358673185 Representative: Mai Thi Ngoc Adress: Hong Quan Hamlet, Viet Hong Commune, Bac Quang District, Ha Giang Province Viet Hong Commune, Bac Quang District, Ha Giang ProvinceFounding date: 5 - 2 - 2021