Truong Mam Non Xa Yen Phuc Address: Bac Hamlet, Yen Phuc Commune, Van Quan District, Lang Son Province Enterprise code: 4900264348 Phone: 0205832605 Representative: Tran Thi Chiem Yen Phuc Commune, Van Quan District, Lang Son ProvinceFounding date: 25 - 12 - 2007