... carbide wire drawing dies,natrual diamond wire drawing dies,PCD wire drawing dies,CVD wire drawing dies,polycrystalline wire drawing ... 25mm;3)applicable for drawing copper wire,aluminum wire,steel wire,iron wire,tungsten wire,welding wire,etcIntroduction:The core of imported Poly ... is easy to gain long term and bright wire material of stable dimensionsProducts SpecificationImported Poly Crystal ...