USES: early often used in granite, terrazzo, leveling, polishing rough machining. Now commonly used in concrete floor, epoxy floor paint, such as underground parking lot, factory floor polishing before rough machining, such as removing, the hard surface on the ethylene, acetylene and other attached objects. Using traditional technology combined with floor grinding characteristics of the cutting tools, the fan blocks and circular grinding block, is more efficient in the process of renovation, and at the same time is not easy to collapse, long life characteristics. Suitable for all kinds of domestic and imported polishing machine and refurbished machine use.