... Steel tube,plate,cylinder Ultrasonic Detectot Apparatus for Steel tube,plate,cylinderAutomatic Ultrasonic Detecting Apparatus for ... drive, screw transmission. Stable and reliable05Elevation system for detector frameSet1Suit for change of the ... , solenoid, manifold, voltage stablizer, etc.18Drive system for cylinders outSet1Cylinder, solenoid19Pneumatic controlcomponent Set2Solenoid, water pipe ...