... for you according to your working site or special demands, contact us today……Working theory:The machine imitates the manual screening process ... :Chemical industries, food and spices, Plastic and Compound resin, mining industry, medicine, wood industry, metallurgy, fodder, fertilizer, fire ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); tumbler screen machine for chemical industries