Truong Trung Hoc Co So Duc Yen Huyen Dam Ha Address: Duc Yen, Dam Ha District, Quang Ninh Province Enterprise code: 5700950172 Phone: 0203218857 Adress: Hamlet 5, Dam Ha Commune, Dam Ha District, Quang Ninh Province Duc Yen Commune, Dam Ha District, Quang Ninh ProvinceFounding date: 4 - 10 - 2008