... machine used in building material, metallurgy, chemical industuy, cement to dry the slag, limestone, coal powder Drying machineColor: any color is ... Drier is a kind of machine with a rotating cylinde which is a little bit incline.It is widly ... the slag, limestone, coal powder,clay,etc.it is simply structure, polished manufacture, high capacity, low ... .5930-55147.8 Drying machine which is popular in cement