Nondestructive testing (NDT) for welded Pipes/tubes/tanks. HD small focus d=0.4mm, clearer defect identification, strong and stable high frequency high voltage generator. 200μm, 16bit, amorphous silicon panel detector, system resolution better than 2.5lp/mm. Visual technology display real-time X-ray image,pipe inspection process monitoring realize system operation visualization, high-efficiency and reliable. Multi-axis (degree of freedom) motion mechanical system. duplex wire IQI measurement.