Truong Trung Hoc Co So Lang Son Address: Khu 6, Lang Son Commune, Ha Hoa District, Phu Tho Province Enterprise code: 2600471117 Phone: 02103883342 Representative: Nguyen Van Binh Adress: Khu 1, Vinh Chan, Ha Hoa District, Phu Tho Province Lang Son Commune, Ha Hoa District, Phu Tho ProvinceFounding date: 17 - 12 - 2008