Thuong Mai Va Xay Dung Dai La LTD Address: No 141, Ba Son Street, Doi Che Hamlet, Hoang Dong Commune, Lang Son City, Lang Son Province Enterprise code: 4900856672 Phone: 0949772216 Representative: La Hai Hoang Adress: Diem He 2 Hamlet, Van An Commune, Van Quan District, Lang Son Province Hoang Dong Commune, Lang Son City, Lang Son ProvinceFounding date: 12 - 11 - 2019