Duong Thi In Address: No 27, Khu 3, Van Lang District, Lang Son Province Enterprise code: 4900774010 Phone: 0966935656 Representative: Duong Thi In Adress: No 03, Phai Luong 06, Lang Son City, Lang Son Province Van Lang District, Lang Son ProvinceFounding date: 4 - 6 - 2014