Truong Mam Non , Xa Tri Le ,Huyen Van Quan , Lang Son Address: Chau Hamlet, Tri Le Commune, Van Quan, Lang Son, Van Quan District, Lang Son Province Enterprise code: 4900416488 Phone: 02053830820 Adress: Van Quan District, Lang Son Province Van Quan Town, Van Quan District, Lang Son ProvinceFounding date: 29 - 10 - 2009