Global Non-Destructive Testing and Inspection Market – Analysis and Forecast (2025–2030) Industry Insights by Technique (Ultrasonic Testing, Visual Testing, Magnetic Particle Testing, Liquid Penetrant Testing, Eddy-Current Testing, Radiographic Testing, Acoustic Emission Testing, Others), by Method (Visual Inspection, Surface Inspection, Volumetric Inspection, Others), by Services (Inspection Services, Training Services, Equipment Rental Services, Calibration Services), by Vertical (Manufacturing, Oil & Gas, Aerospace, Public Infrastructure, Automotive, Power Generation, Others)