... 2.DIA:<8m 3.winder shaft-Forged shaft 4.42CrMo4,BS970 709M40,34CrNiMo6,BS970 826M40 Feature:1.weigth:<30ton2. ... DIA:<8m3. winder shaft-Forged shaft4.42CrMo4,BS970 709M40,34CrNiMo6,BS970 826M40 We Shanghai ZENT Industrial Co ... instrument, flaw detectors such as ultrasonic,magnetic and penetrance, Brinell hardness,Rockwell hardness,and Vickers hardnes systems.The main products of our ...