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              GDUD-PBI Ultrasonic Flaw Detector for Electrical EquipmentUltrasonic Flaw Detector is a non-destructive testing device used for detecting internal mechanical damages for electrical equipment. 
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              GDUD-PTM Ultrasonic Flaw Detector For Electrical Power TowerUltrasonic Flaw Detector is a non-destructive testing device used for material defect evaluation and location, wall thickness measurement, etc. and suitable for various large workpieces and high resolution measurement requirements. 
