... premium raw material it has.Applications:1,An electric sweeper is for grinding,polishing,cleaning,crystalization on surfaces covering ... ,epoxy,stone,marble,granite,terrazzo,etc.2,An electric sweeper is for old floor removal,restoration,renovation,as well, ... elegante appearance.7. Intelligent adjustment of the speed and troubleshooting.Standard configuration:1, Machine body of electric sweeper - 1 ea2, ...