1.weigth:<30ton 2.DIA:<8m 3.winder shaft-Forged shaft 4.42CrMo4,BS970 709M40,34CrNiMo6,BS970 ... ’s direct reading spectrometer, macro and micro meatalloay analysis instrument, flaw detectors such as ultrasonic,magnetic and penetrance, Brinell hardness,Rockwell hardness ...