... 5. ISO9002 / CE / CCC Brief introductionHGM Series Micro Powder Grinding mill is a kind of equipment which produces fine ... and superfine powder, it is suitable to process non-flammable and ... such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talcum, talc, magnetite, illite, pyrophyllite, vermiculite, sepiolite, attapulgite, rectorite, diatomite, ...