Thuong Mai Va Dau Tu Hoang Ngoc Thanh Address: Khu 7, Hai Yen Ward, Mong Cai City, Quang Ninh Province Enterprise code: 5700683657 Phone: 0203881492 Representative: Hoang Ngoc Thanh Adress: Khu 7, Hai Yen Ward, Mong Cai City, Quang Ninh Province Hai Yen Ward, Mong Cai City, Quang Ninh ProvinceFounding date: 10 - 10 - 2007