Xay Dung Bac Son LTD Address: Cho Doi, Doi Son Commune, Doi Son Commune, Duy Tien District, Ha Nam Province Enterprise code: 0700222671 Phone: 02126838393 Representative: Chu The Tu Adress: Cho Doi, Doi Son Commune, Duy Tien District, Ha Nam Province Doi Son Commune, Duy Tien Town, Ha Nam ProvinceFounding date: 27 - 7 - 2004