National NDT services Visakhapatnam Andhrapradesh / Industrial NDT Training & Consultancy Services Visakhapatnam, Andhrapradesh / NDT Training in Visakhapatnam Visakhapatnam , Andhrapradesh, Contact Person : V.SATYANARAYANA (Managing Director)  |  Mobile : +91 8686748989   | Office (Land Line) : 0891-2703456.