Yen Vuong LTD Address: Nga Tu, Khu An Ninh, Huu Lung Town, Huu Lung District, Lang Son Province Enterprise code: 4900228036 Phone: 02053826077 Representative: Le Hung Tuan Adress: Khu An Ninh, Huu Lung Town, Huu Lung District, Lang Son Province Huu Lung Town, Huu Lung District, Lang Son ProvinceFounding date: 9 - 8 - 2004