Thuong Mai Hoang Hai LTD Address: KM 17, 1a Highway, Khoi 8, Dong Kinh Ward, Lang Son City, Lang Son Province Enterprise code: 4900217027 Phone: 0205870229 Representative: Vy Huy Luong Adress: 23/12, Ba Trieu Street, Dong Kinh Ward, Lang Son City, Lang Son Province Dong Kinh Ward, Lang Son City, Lang Son ProvinceFounding date: 10 - 6 - 2002