Blue Tungsten Oxide,Tungsten Oxide,Remelted Tungsten Trioxide,Sintered Tungsten Trioxide HUNAN ZHONGNAN ANTIMONY&TUNGSTEN TRADING CO.,LTD , https://www.zhongnanats.comBeneficiation plant size, generally based on how much ore processing capacity to divide, colored and black Concentrator size is slightly different. Please see the table below: 