Doi Quan Ly Thi Truong So 13 Huyen Hoanh Bo Address: Dong Tam Hamlet, Le Loi Commune, Hoanh Bo District, Quang Ninh Province Enterprise code: 5700970732 Phone: 02033690726 Adress: Bang Xam Hamlet, Le Loi Commune, Hoanh Bo District, Quang Ninh Province Le Loi Commune, Hoanh Bo District, Quang Ninh ProvinceFounding date: 14 - 11 - 2008