PCD wire drawing die blanks are polycrystalline diamond products produced under very high temperature and ultra-high pressure, diamond powder and a few metal catalysts (Cobalt) sintered together with  diamond-to-diamond bonding. They have not only high wear resistance, hardness and thermal conductivity but also high mechanical strength and tenacity. Our diamond die blanks are a unique product to draw a wide range of wire such as copper, aluminum, nickel, stainless steel and etc.