Truong Tieu Hoc Ngoc Son Address: Vang Hamlet, Ngoc Son Commune, Lac Son District, Hoa Binh Province Enterprise code: 5400472020 Phone: 0981096609 Representative: Bui Thi Ngan Ngoc Son Commune, Lac Son District, Hoa Binh ProvinceFounding date: 29 - 2 - 2016