Dust Free Self-propelled concrete floor grinder with vacuum for dry grinding polishing1.SELF-PROPELLED FLOOR GRINDER, machine could walk by itself with forward and backward button, relaxing work and high efficiency2.15KW/20HP big power motor meets the grinding. requirements for long time and heavy duty.3.800mm large working width could achieve high efficiency working.4.4 heads planetary could make better grinding working effect. 5.Multifunctional floor grinder can be used in floor preparation, floor grinding and polishing wet and dry, also could remove tough coatings like adhesive, screed, epoxy and paint.6. Quick-change System with magnetic diamond pads and Velcro holder to polishing pads7.With 22kw/30HP inverter, rotating speed is available.8. Rotating head plates adapt a best rubber pads for good work result and long lifetime.9.Dust hole is designed to connect the dust collector to avoid dust pollution10. Industrial vacuum cleaner can be connected to get dust-free grinding, reducing dust and create a clean and healthy construction environment.11.LED light equipped are allowed to work in dark area or night time

Quanzhou Hongxi machinery co., ltd and Guanhua machinery co., ltd are a group company which was built in the beautiful city Quanzhou, China. we are committed to providing system products of the building industry and stone industry. On one hand, our company provides a one-stop-shop for the building industry which including the floor grinding, polishing machine, scarifying machine, power trowel, vacuum cleaner, and consumable parts like diamond segments, diamond metal pads, diamond cup wheels, PCD tools, and resin polishing pads. On the other hand, our company is also devoted to providing a one-stop-shop for system products of stone processing, ranging from the quarrying, cutting, grinding, profiling, and polishing machine like: block cutting machine, stone profiling machine, stone quarry machine, stone bridge saw, stone polishing machine and CNC machine, etc; consumables parts like diamond segment, diamond cutting blade, polishing wheels, etc.