Doi Quan Ly Thi Truong So 9 Address: 13, Nguyen Du Street, Quang Ha Town, Quang Ha Town, Hai Ha District, Quang Ninh Province Enterprise code: 5701307006 Phone: 02033879192 Adress: Hai Ha District, Quang Ninh Province Quang Ha Town, Hai Ha District, Quang Ninh ProvinceFounding date: 19 - 8 - 2009