grinding machine the design is small and exquisite ,and ... polyurethane stable running LZ china (complete polyurethane) vibratory grinding machine :complete polyurethane convenience in operation and reduction of the ... rings,bearing bracket,autoparts and gears,etc.)and this machine is a professions of airplanea manufacturing, automobiles, bearings ... Kg)50Dimension(mm)L688*W688*H915 china grinding machine