... specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts, shims, wear parts, drawing ... dies,bars, balls,burrs ,PCD blades,PCBN blades,ceramic inserts, and customized products etc.In the meantime ,please ... and cast iron.Other grade of cutting blade may be offered according to customers' requirement. Cutting tool indexable tungsten carbide insert