2.All aluminum alloy gearbox with thicker shafts and bearings, durable in use
3.High power siemens motor and famous brand inverter for higher working efficiency
4.Bottom plate with strong magnet quick change diamond tools, OEM service
5.Good ma-machine relationship design with flexible rolling over weight irons on both sides
6.suitable for concrete grinding, concrete grinding, solidified floor polishing, epoxy floor polishing, old ground renovation, marble polishing, marble polishing.