kinds of mandrel shafts for recoilers and uncoilers Mandrel Shafts Material:30CrNiMo8,42CrMo,50CrMo,34CrNi3Mo,etcForgings Standard:JB/T5000.8-2007 View Details
piercing mill roller shafts for the production of hot-finished seamless tubes Piercing Mill Roller Shafts Material:42CrMo4,42CrMo,40Cr,34CrNi3MoForgings Standard:JB/T5000.8-1998 View Details
WANHING WEARPARTS (JIYUAN) LIMITED
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