Hop Tac Xa Son Ngoc Viet Address: Khu Kinh Te Cua Khau Chi Ma, Yen Khoai Commune, Loc Binh District, Lang Son Province Enterprise code: 4900761653 Phone: 0977809999 Representative: Lam Dinh Cuong Adress: Yen Khoai, Yen Khoai Commune, Loc Binh District, Lang Son Province Yen Khoai Commune, Loc Binh District, Lang Son ProvinceFounding date: 11 - 6 - 2013