... in the imports and exports of tungsten product series, tungsten alloy series, high-density tungsten alloy products, horniness alloy, molybdenum ... 3). Purpose: mostly used as material for production of Tungsten plate, bar and Cemented carbide products.4). packing: ... layer ploythene bags5). Net weight per drum:50kg,100kg,200kg6).Appearance:Tungsten powder is dark grey.Spaying tungsten powder bright grey