Cong Nghe Va Xay Dung TDT Joint Stock Company Address: No 74, My Son Street, Vinh Trai Ward, Lang Son City, Lang Son Province Enterprise code: 4900819663 Phone: 0966368568 Representative: Nguyen Cuong Dung Adress: No 55, Van Phuc Thuong, Cong Vi Ward, Ba Dinh District, Ha Noi City Vinh Trai Ward, Lang Son City, Lang Son ProvinceFounding date: 17 - 1 - 2018