UNINDT's product disc ring immersion ultrasonic C-scan system can detect the internal and surface quality of large wind turbine bearing rings, forged rings and other conical ring workpieces online. The fully automatic C-scan imaging function makes the defect location and size clear at a glance. Suitable for workpiece diameters ranging from 80mm to 2000mm,. This system has a unique water immersion ultrasonic phased array detection method, which is an economical and fast detection system for online detection of conical workpieces. The system can also integrate eddy current function to synchronously sort burns.