Xay Dung Hung Son Joint Stock Company Address: Tieu Khu Tran Phu, Bac Son Town, Bac Son District, Lang Son Province Enterprise code: 4900227956 Phone: 02053837436 Representative: Vu Dinh Nam Adress: Long Hung Hamlet, Long Dong Commune, Bac Son District, Lang Son Province Bac Son Town, Bac Son District, Lang Son ProvinceFounding date: 30 - 7 - 2004