Hop Tac Xa Chan Nuoi Lon Toan Sang Address: No 137, Cho Bai 2, Yen Phuc Commune, Van Quan District, Lang Son Province Enterprise code: 4900785213 Phone: 0972053689 Representative: Tran Van Toan Adress: 137, Cho Bai 2, Yen Phuc Commune, Van Quan District, Lang Son Province Yen Phuc Commune, Van Quan District, Lang Son ProvinceFounding date: 23 - 9 - 2015