Vang Bac Hung Lan Lang Son LTD Address: No 32, Cau Pung Street, Hamlet 3, That Khe Commune, Trang Dinh District, Lang Son Province Enterprise code: 4900941825 Phone: 0916207181 Representative: Nguyen Manh Hung Trang Dinh District, Lang Son ProvinceFounding date: 27 - 3 - 2026