Chi Nhanh Cong Ty Co Phan Devyt Tai Lang Son Address: Khu Ga, Dong Dang Town, Cao Loc District, Lang Son Province Enterprise code: 0101097735-005 Phone: 02056275017 Representative: Chu Van Hoa Adress: No 21, 145/19 Nguyen Van Cu Alley, Long Bien District, Ha Noi City Dong Dang Town, Cao Loc District, Lang Son ProvinceFounding date: 24 - 6 - 2008