Truong Tieu Hoc Hoan Son Huyen Tien Du Address: Dai Son Hamlet, Hoan Son Commune, Tien Du District, Bac Ninh Province Enterprise code: 2300357082 Phone: 02223837328 Hoan Son Commune, Tien Du District, Bac Ninh ProvinceFounding date: 10 - 12 - 2008