... type scan 1.Multi-channels Ultrasonic scanning equipments and scan system 2.testing: NDT Ultrasonic testing flaw detector3.Scan ... book-walled pipe, seamless steel tubes, welded gas and oil pipelines, nonferrous metals, ferrous metals and some non-metallic pipes, ... in free circulation and combination.Scan mode: A,B,C type scanSimple system configuration , flexible hardware frame, through the various ...