Xay Dung Hoang Gia Joint Stock Company Address: KM2, Thach Dan Street, Hop Thanh Commune, Cao Loc District, Lang Son Province Enterprise code: 4900221672 Phone: 0205877003 Representative: Hoang Dinh Theo Adress: No 81 Khoi 11, Hoang Van Thu, Lang Son City, Lang Son Province Hop Thanh Commune, Cao Loc District, Lang Son ProvinceFounding date: 6 - 3 - 2003