Cong An Huyen Tien Yen Address: Thong Nhat Street, Tien Yen Town, Tien Yen Town, Tien Yen District, Quang Ninh Province Enterprise code: 5700928515 Phone: 0203876222 Adress: Thong Nhat Street, Tien Yen Town, Tien Yen Town, Tien Yen District, Quang Ninh Province Tien Yen Town, Tien Yen District, Quang Ninh ProvinceFounding date: 8 - 9 - 2008