Uy Ban Nhan Dan Xa Khau Vai Address: Khau Vai Hamlet, Khau Vai Commune, Meo Vac District, Ha Giang Province Enterprise code: 5100274684 Phone: 0219500136 Adress: Sinh Lung, Sinh Lung Commune, Dong Van District, Ha Giang Province Khau Vai Commune, Meo Vac District, Ha Giang ProvinceFounding date: 11 - 4 - 2009