Dau Tu Thuong Mai Ky Thuat Nam An Joint Stock Company Address: K222/63 Tran Cao Van, Tam Thuan Ward, Thanh Khe District, Da Nang City Enterprise code: 0402147796 Phone: 0928663838 Representative: Tran Duy Vutran Duy An Tam Thuan Ward, Thanh Khe District, Da Nang CityFounding date: 11 - 5 - 2022