This is hicoo tungsten carbide products coltd "Diamond is the hardest material in the world". It is formed by natural crystal which is single crystal without grains Diamond of South Africa is especially better the home diamond in hardness and tough degree. Such as mold holes are especially easy to be gained smooth face, easy to be extruded with high speed, and the life of drawing wire is been increased, also decrease the risks of unfasten split. We recommend you use especial bright mold to make article mold (Coil out mold), slight silk mold, line material surface. Suitable for drawing platinum rhodium wire, gold wire, silver wire, copper, aluminum, molybdenum, nickel, tined, copper, tungsten, copper aluminum alloy and other nonferrous metal wire material. The range of dimension 0.015mm -2.00mm Our company is a special Tungsten and Tungsten Carbide manufacturer and supplier in the Chinese Mainland. Our products include all sorts of primary, semi finished and finished tungsten, (Tungsten Bar / Rod / Block; Tungsten Alloy Billet / Barrel; and Cutters), the main products we offer to our oversea clients are the Tungsten Carbide Rods (Extrusions or Press). If you would like to learn more information about my company, please check It is always in the mind to offer our best service to any client at any tim