Trieu Tu Linh Address: Keo Quang Hamlet, Chi Lang Commune, Trang Dinh District, Lang Son Province Enterprise code: 4900820732 Phone: 0963723388 Representative: Trieu Tu Linh Adress: 136B, Tam Thanh Ward, Lang Son City, Lang Son Province Chi Lang Commune, Trang Dinh District, Lang Son ProvinceFounding date: 7 - 2 - 2018