Truong Trung Hoc Co So Hong Hai - Thanh Pho Ha Long Address: Hong Hai Ward, Hong Hai Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700641456 Phone: 0203834732 Adress: Civil Group 91, Don Dien, Ha Khau Ward, Ha Long City, Quang Ninh Province Hong Hai Ward, Ha Long City, Quang Ninh ProvinceFounding date: 26 - 3 - 2007