Quynh Khoi Lang Son Address: Kep 3 Hamlet, Quyet Thang Commune, Huu Lung District, Lang Son Province Enterprise code: 4900791418 Phone: 0942455572 Representative: Nguyen Van Khoi Adress: Kep 3 Hamlet, Quyet Thang Commune, Huu Lung District, Lang Son Province Quyet Thang Commune, Huu Lung District, Lang Son ProvinceFounding date: 17 - 3 - 2016