... welding. hailed as the annual most popular non-destructive testing instrument in 2010.Portable Eddy Current Flaw Detector MEC-100P Portable ... , Bearing inner ring, Gear Blanks, Ring-shaped metal parts , Auto Parts2,Brass, steel, stainless steel pipe, welded pipe, aluminum tube ... shaft4,Detection such as Condenser tubes, air conditioner pipe, auto Tubing5 ,Be suitable for all kinds of Metal wire rod ...