Tungsten Carbide, Hard Alloy, Drilling Tools manufacturer / supplier in China, offering High Hardness Tungsten Carbide Gear Hobbers for CNC Machine Tools for Gear Cutter with High Wear Resistance, Multi-Hole Tungsten Carbide Bushing/Carbide Sleeve Bush Enhanced Wear Resistance, Tungsten Carbide Punch/Tungsten Pin for Precision Metalworking Applications and so on.