we are glad to share with you a good news, after our RD team months hard research we launched our newest machines and already put into mass production in our clients factory for 12sets. The powder fineness reach another levels, please see the followings: The whole milling system is around 390Kw (including the air compressor) For CaCO3 D50=4um Fineness: 1500~2000mesh Output: 2800~3500kg/h D50=1.6~1.8um Fineness: 3500~4000mesh Output: 800~900kg/h Test Machine: Malvern 3000