... 1.excellent hardness 2.excellent Surface Finish 3.excellent Corrosion Resistance 4.ceramic wire drawing cone pulley, zirconia wire drawing ... cord drawing block,wire drawing wheel,Annealing roll,cone-pulley,big drawing zirconia ring,mid drawing zirconia ring,ceramic wire drawing cone ... company has successfully developed the ZrO2 ceramic wire drawing capstans with the strong technical supports from the ...