Hai Duong Trang Dinh Address: Na Chua Hamlet, Hung Son Commune, Trang Dinh District, Lang Son Province Enterprise code: 4900671181 Phone: 0982713978 Representative: Ma Van Duyen Adress: Na Chua Hamlet, Hung Son Commune, Trang Dinh District, Lang Son Province Hung Son Commune, Trang Dinh District, Lang Son ProvinceFounding date: 24 - 8 - 2011