Truong Trung Hoc Co So Hoang Tan Address: Hamlet 4, Hoang Tan Commune, Quang Yen Town, Quang Ninh Province Enterprise code: 5701035761 Phone: 02033685291 Hoang Tan Commune, Quang Yen Town, Quang Ninh ProvinceFounding date: 31 - 12 - 2008