Duc Trong Address: No 108 Khu Minh Khai, Loc Binh Town, Loc Binh District, Lang Son Province Enterprise code: 4900217186 Phone: 0205840690 Representative: Nguyen Duc Thien Adress: No 108 Khu Minh Khai, Loc Binh Town, Loc Binh District, Lang Son Province Loc Binh Town, Loc Binh District, Lang Son ProvinceFounding date: 17 - 8 - 2005