Dung Trieu Address: Civil Group 5, Khoi 1, Cao Loc Town, Cao Loc Town, Cao Loc District, Lang Son Province Enterprise code: 4900229625 Phone: 0205875924 Representative: Loc Thi Trieu Adress: Civil Group 5, Khoi 1, Cao Loc Town, Cao Loc District, Lang Son Province Cao Loc Town, Cao Loc District, Lang Son ProvinceFounding date: 14 - 3 - 2005