Truong Mau Giao Hai Lang Huyen Tien Yen Address: Thong Nhat Hamlet, Hai Lang Commune, Tien Yen District, Quang Ninh Province Enterprise code: 5701066079 Phone: 02033743884 Adress: Khu Lam Truong, Dong Tien Ii Street, Tien Yen Town, Tien Yen District, Quang Ninh Province Hai Lang Commune, Tien Yen District, Quang Ninh ProvinceFounding date: 3 - 3 - 2009