Dich Vu Vien Thong Tuan Duyen LTD Address: Hamlet 13, Ha Thuong Commune, Dai Tu District, Thai Nguyen Province Enterprise code: 4601342862 Phone: 0987456991 Representative: Nguyen Mai Duyen Ha Thuong Commune, Dai Tu District, Thai Nguyen ProvinceFounding date: 11 - 7 - 2017