Viettel has always affirmed our groundbreaking and Management position in creating and producing the most important transmission infrastructure in Vietnam. The quantities by no means lie- Check out them out #Viettel #Cable2014: Nhà cung c?p d?ch v? vi?n thông t?t nh?t th? gi?i t?i các th? tr??ng ?ang phát tri?n - WCABefore this, three solutions