Ban Quan Ly Cho Tien Yen Address: Ly Thuong Kiet Street, Tien Yen Town, Tien Yen Town, Tien Yen District, Quang Ninh Province Enterprise code: 5700928321 Phone: 0203876863 Adress: Khe Tien Hamlet, Yen Than Commune, Tien Yen District, Quang Ninh Province Tien Yen Town, Tien Yen District, Quang Ninh ProvinceFounding date: 8 - 9 - 2008