HTG550 floor grinders are used for grinding (rough grinding, sanding) various types of floors such as concrete, natural stone, and terrazzo floors. This diamond grinder floor composition mainly includes swing rod components, water tanks, dust suction pipes, weighted irons, gearboxes, frequency converters, and so on. The handle of the cement floor grinder machine is upgraded to a rubber handle on the basis of the previous one, which makes it feel better in use.