Hop Tac Xa Dich Vu Van Tai Ba Son Address: Ban Ranh Hamlet, Xuat Le Commune, Cao Loc District, Lang Son Province Enterprise code: 4900840577 Phone: 0962218519 Representative: Vi Van Kieu Adress: Co Chi Hamlet, Xuat Le Commune, Cao Loc District, Lang Son Province Xuat Le Commune, Cao Loc District, Lang Son ProvinceFounding date: 11 - 1 - 2019