... ,siemens motor,220V 4,for concrete,terrazzo planetary concrete floor polishing machine is not only grinding and polishing concrete, marble,granite, terrazzo, but also ... is 10 hp or 15 hp, and working area is 780 mm, so it is most powerful machine in HONWAY grinding and ... greatly consume time and labor.Performance:1,With 10 or 15 hp motor, it is good for grinding the large area ...