Cong Nghe Vien Thong Call4sale LTD Address: Duong Son Hamlet, Hoa Tien Commune, Hoa Vang District, Da Nang City Enterprise code: 0402172545 Phone: 0935667674 Representative: Nguyen Quang Vu Adress: Duong Son Hamlet, Hoa Tien Commune, Hoa Vang District, Da Nang City Hoa Tien Commune, Hoa Vang District, Da Nang CityFounding date: 24 - 11 - 2022