Toa An Nhan Dan,Huyen Van Quan, Tinh Lang Son Address: Duc Tam Ii Street, Thi Tran, Van Quan, LS, Van Quan District, Lang Son Province Enterprise code: 4900416600 Phone: 02053830054 Adress: Van Quan District, Lang Son Province Van Quan Town, Van Quan District, Lang Son ProvinceFounding date: 29 - 10 - 2009