Sponge iron Ultra fine Powder Grinding Mill -News-ultra ...
2014-6-12 · Application of Sponge iron Ultra fine powder grinding mill: HGM Series Powder Grinding Mill is the equipment specializing in producing fine and superfine powder of non-inflammable, non-explosive and brittle materials with Moh's hardness under six, such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talc, mica, magnesite, illite ...