Thuong Mai Dich Vu Ky Thuat Hoang Trieu LTD Address: 121 Hai Son, Thanh Binh Ward, Hai Chau District, Da Nang City Enterprise code: 0400570646 Phone: 02363622422 Representative: Le Thi Hien Adress: 121, Hai Son, Thanh Binh Ward, Hai Chau District, Da Nang City Thanh Binh Ward, Hai Chau District, Da Nang CityFounding date: 18 - 4 - 2007