Khoa Diem LTD Address: Tan An Hamlet, Hung An Commune, Bac Quang District, Ha Giang Province Enterprise code: 5100318250 Phone: 02193892917 Representative: Tran Phong Canh Adress: Tan An Hamlet, Hung An Commune, Bac Quang District, Ha Giang Province Hung An Commune, Bac Quang District, Ha Giang ProvinceFounding date: 3 - 3 - 2010