Truong Mam Non Nang Kha Address: Nang Kha Commune, Na Hang District, Tuyen Quang Province Enterprise code: 5000329604 Phone: 02073865844 Adress: Na Hang District, Tuyen Quang Province Nang Kha Commune, Na Hang District, Tuyen Quang ProvinceFounding date: 19 - 2 - 2009