Cty Co Phan Tu Van Dau Tu & Ung Dung Cong Nghe Nhan Hoa Address: No 29 Ngo Thi Si, Tam Thanh Ward, Lang Son City, Lang Son Province Enterprise code: 4900261146 Phone: 0205710721 Representative: Nguyen Phan Anh Adress: 29 Ngo Thi Si, Tam Thanh, Lang Son City, Lang Son Province Tam Thanh Ward, Lang Son City, Lang Son ProvinceFounding date: 14 - 9 - 2007