Thuong Mai Va Xay Dung Tong Hop Duy Khanh LTD Address: T.Tan Son, Duc Ninh Commune, Dong Hoi City, Quang Binh Province Enterprise code: 3100895568 Phone: 0915120625 Representative: Phan Tien Dung Duc Ninh Commune, Dong Hoi City, Quang Binh ProvinceFounding date: 17 - 4 - 2012