... rods, wire, wire, profiles of online and offline testing. Of metal tubes, rods, wire, wire, profiles of the defects, such as surface ... 1. the bearing outer ring, inner bearing, gear blanks, ring metal parts, auto parts 2. brass, steel, stainless steel pipe, welded ... rod, hollow shaft and other non-destructive testing 4. condenser tubes, air-conditioner pipe, tubing and other testing automobile 5. ...