Dien Tu Vien Thong Viettech LTD Address: 132 Mai Xuan Thuong, Vinh Hai, Nha Trang City, Khanh Hoa Province Enterprise code: 4201115745 Phone: 02583834666 Representative: Ngo Thi Thuc Adress: 60/4 Le Hong Phong, Nha Trang City, Khanh Hoa Province Vinh Hai Ward, Nha Trang City, Khanh Hoa ProvinceFounding date: 23 - 9 - 2009