... 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 ... , vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsumalum earth, graphite, fluorite, varicose, potash, ore, fioatstona, etc.Working Principal The ...