Trung Tam Tu Van Cau Duong Address: 4th Floor Tru So So Giao Thong Van Tai So 8a, Hung Vuong Street, Chi Lang Ward, Lang Son City, Lang Son Province Enterprise code: 4900832488 Phone: 02053816988 Representative: Hoang Duc Thuan Adress: Tam Thanh, Tam Thanh Ward, Lang Son City, Lang Son Province Chi Lang Ward, Lang Son City, Lang Son ProvinceFounding date: 26 - 7 - 2018