Truong Trung Hoc Co So Son Duong - Hoanh Bo Address: Vuon Cau Hamlet, Son Duong Commune, Hoanh Bo District, Quang Ninh Province Enterprise code: 5700988539 Phone: 02033858822 Son Duong Commune, Hoanh Bo District, Quang Ninh ProvinceFounding date: 15 - 12 - 2008