<a href="http://www.wabon-metal.com/quality-control/">Quality Control manufacturers</a> Ultrasonic flaw detection
Ultrasonic flaw detection is one of the five non-destructive tests, It can be quickly and convenient, non-damage, accurate detection of positioning, evaluation and diagnosis various internal defects (cracks, inclusion, folding, stomata, sand eyes, etc.).
Quality Control manufacturers
website:http://www.wabon-metal.com/quality-control/