The HENGYUE Classifier Mill,type QWF is a very flexible machine for the production of finestpowder with a defined maximum particle size. Materials with ahardness of up to 3,5 Mohs can be processed. The combination of size reductionand dynamic air classifying within one housing allows for optimumprocessing of soft to medium hard materials. The main areas ofapplication of the mill can be found for example in the chemical,food, mineral, metal, powder paint and pharmaceuticalindustry.