Dai Son LS LTD Address: No 32 Phai Luong 2, Khoi Dai Thang, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 4900888593 Phone: (0237) 8315989 Representative: Nguyen Huy Tuan Adress: Dong Minh Hamlet, Doan Dao Commune, Phu Cu District, Hung Yen Province Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 15 - 7 - 2022