... manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims, wear parts, drawing dies,drilling bits,cold ... ,burrs ,PCD blades,PCBN blades,ceramic inserts, and customized parts etc.In the meantime ,please be informrd any grade and performance ... carbide powders are WC, TiC, Cr3C2, VC, TaC, NbC, BC4, etc Tungsten Carbide Rods