Tungsten, or wolfram, is a chemical element with symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, from tung sten "heavy stone". Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds.
mining machinery dewatering screen for ores wholesale
Dewatering Equipment for Tailing, China factory Dewatering .We are a professional Dewatering Equipment for Tailing manufacturer and . separator Australia Electromagnetic Ore Separator Manufacturer For; Categories Gold