Tungsten powder is processing powder metallurgy of tungsten alloys and tungsten products main raw material. Pure tungsten powder can be made into silk, rods, tubes, board processing materials and certain shape products. Tungsten powder and other metal powder mix, can be made into all kinds of tungsten alloy, such as tungsten molybdenum alloys, tungsten pricey rhenium tungsten alloy, copper alloy and high-density tungsten alloy etc. Tungsten powder of another important application is made of tungsten carbide powder, and preparation carbide tools, such as turning, milling cutter, the bit