Tungsten Carbide, Hard Alloy, Drilling Tools manufacturer / supplier in China, offering Yg6/8/10 M35/M42 Grinding/Finish/Ground Tungsten Carbide Cube/Block/Square, Yg10 Purity Dia 10mm Tungsten Carbide Vlave Balls for Oil Pump, High Hardness HSS Gear Hobbers for CNC Machine Tools for Gear Cutter with High Wear Resistance and so on.