Function and feature:
1. S9-X-550 with the multi-functional plate which with magnetic, it's suitable for all kinds of pads, blade, like velcro-back or metal wheel.2. 22" Three plates with 9 pieces heads, each time need fix 9 pieces pads (blades), with planetary three-plate driving system, S9-X-550 use aluminum alloy die-casts base plate, it's hard and won't be out of shape, 10.6L stainless steel water tank available in wet and dry.3. Separated body and chassis can put in a car.
4. Detachable chassis.
5. Fold handle can save space.6. With vacuum cleaner connector could install a vacuum cleaner outside.7. It's apply to marble, granite, terrazzo, concrete floor, natural stone floor and rostone floor etc.
8. 220V 3 Heads Planetary Marble Polishing Machine 4KW Concrete Grinder is used to produce a smooth finish on flat surfaces for free movement floors. Free movement floors refer to areas where materials handling equipment operate in random, non-defined directions and have an infinate of travel paths.
9. High tech grinding machine S9-X-550 with unique and patented planetary 9-heads driving system, which achievethe innovation of low maintenance gear driving planetary head rotation system.
220V 3 Heads Planetary Marble Polishing Floor machine 4KW Concrete Grinder 
