Truong Mam Non Phong Du Huyen Tien Yen Address: Tenh Po Hamlet, Phong Du Commune, Tien Yen District, Quang Ninh Province Enterprise code: 5701066174 Phone: 02032217678 Adress: Khu Lam Truong, Dong Tien Ii Street, Tien Yen Town, Tien Yen District, Quang Ninh Province Phong Du Commune, Tien Yen District, Quang Ninh ProvinceFounding date: 3 - 3 - 2009