... with different grain size are available We specialize in the manufacture of tungsten carbide products such as tungsten carbide strips, rods,rings,inserts ... ,balls,burrs ,PCD blades,PCBN blades,ceramic inserts, and customized products etc.In the meantime , ... for the overall producing of stamping dies and tools such as red needles,punch,dies and other accessaries . Tungsten carbide sintered rod with ...