Khanh Tung BS LTD Address: Khu Le Hong Phong, Bac Son Town, Bac Son District, Lang Son Province Enterprise code: 4900889205 Phone: 0836990669 Representative: Nguyen Thu Ha Adress: Vu Lam Hamlet, Vu Le Commune, Bac Son District, Lang Son Province Bac Son Town, Bac Son District, Lang Son ProvinceFounding date: 30 - 8 - 2022