Profile: Henan Xingbang Heavy Machinery Co., Ltd. specializes in the manufacture and distribution of crushing, grinding, screening, washing and recycling components of sand stone aggregate production line used in quarry, mining & cement plants. Ball mill is used for grinding ores or other materials after crusher, it is the mechanical equipment for getting finer particle products. Materials from drum type hopper enter the ball mill through the hollow shaft spiral shell. The mill has grinding mediums in the shell. When the shell rotate, grinding mediums attach to the shell's inside liner because of centrifugal inertial force. After rising to some height with the shell, the grinding mediums free fall down because of gravity, and this will crush the materials in the shell.