... 3)Siemens motor 4)Efficint JS-580 machine for concrete Market position: We are manufacturer for medium-to-high grade floor grinders and ... has. Applications:1, For grinding, polishing, renovation, restore, repair, and new floor applying, etc.2, On floor surfaces covering concrete, epoxy, stone, marble ... MOQShipping port: Shanghai, ChinaQuantity discount: availablePictures: JS-580 machine for concrete