The quality non-destructive testing equipment for the precision cold drawing production line is a combined eddy current and ultrasonic testing machine. This equipment has the advantages of high detection accuracy, fast measurement speed, low false alarm rate, and few blind spots. The electrical control of the equipment adopts a fully automatic mode, and the production process data analysis, collection, and defect alarm are automatically completed. It can accurately detect surface and internal defects such as penetration, folding, inclusions, and scratches inside and outside the pipe, Provided effective protection for qualified products leaving the factory.