Ground Polishing Machine 1.gasoline motor driven, easy operation, long life service 2.high efficiency 3.qualtiy reliable Ground Polishing Machine Suitable for polishing the concrete surface of concrete pavement, municipal works and prefabricated unit. ModelDMD900DMR900DMR1000Plate DiameterΦ900 mmΦ900 mmΦ1000 mmRotate Speed80-120 r/min80-120 r/min70-140 r/minBlade Nos4 pics4 pics4 picsPave ...