Planetary surface floor grinder

1.new pattern design with original import motor under the warranty for whole life all over the world. 2.With huge motor(20 hp).frequency devices and automatic timing system make the machine best for concrete and stone grinding. 3.Speed is adjustable, range from 300rpm to 2500rpm 4.Prepare concrete surfaces for epoxy coatings. 5..It can connect with industrial vacuum that can do wet and dry grinding 6.Polishing for concrete, marble and granite with the various grits of metal diamon