The new type high efficient, because its spiraLLy arranged miLL rod and cyLinder structure which adopt high wear-resistant materiaLs, make the interaction force between grinding more intense and Lasting. Yet, it is difficuLt for generaL sand miLL to have intense press force and shearing force. 2. Advanced two-cooLing system, even if using ordinary tap water in hotter weather, the cooLing effects can be satisfied. 3. The sand cyLinder’s disassembLy is very simpLe. According to the requirement, the main can adopt frequency speed and for different materiaLs users can choose matching speed to reach the best sand effects. Using area: (1) high-grade paints (2) high-grade ink(3 ) high viscosity paste (4) thixotropic materiaLs(5) high-grade coating(6) speciaL high-grade Liquid paints.