... time,good service cone pulley,wire drawing dies,tungsten carbide ring,wire drawing cone, wire machine, wire machinery, wire drawing machinery,wire drawing die,zirconia Ceramic,alumina ceramic ... tha of the traditional ceramics.after machining,the fine grain ceramics can gain very low surface roughness ... ),thus improve the quality of the finished wire rods.The fine grain ZrO2 ceramics is capable of self ...