1.Lower energy 2.particle size form 3-180um 3.Auto control,stable operation 4.good for environment 5.high purity 1.Brief introductionThis machine adopts the secondary rotary wind elutriating technology to avoid to over-grind fineness,so it can make the range of particle size together and prevent the big particle to be produced efficiently,and energy saving.2.Working principleThe ultra-sonic air ...