... 1,for concrete,terrazzo,epoxy 2,siemens motor,220V,380V 3,aluminum gear 4,stainless steel diamond floor grinding machine ... is made of Aluminum alloy,which is strong and durable;3,NSK bearing. It has automatically raising and loweringsystem;4, ... marble, granite, terrazzo with various grit of diamond metal, resinbond.3, Remove painting, coating, epoxy, urethane, glue, polyurethane, mastic with PCD tools ...