The Middle East marble grinding project selected Vanguard's star product three-ring medium-speed powder making machine. At present, the fineness of stone powder is 800 mesh, and the capacity is as high as 3 tons per hour, which fully meets the design requirements. High pressure medium-speed micro powder grinder is a new type of grinding equipment developed by our company's design institute on the basis of years of research on fine grinder equipment. It has created a new era of high efficiency and low energy consumption in the international industrial grinding field.