... tool 2.It can replace the ginding machine 3.Very easy operate Surface concrete grinding machine GuoYun founded in 1990,it is HeNan ... Shankeping metal surface polishing machineIt can replace the ginding machine;The sphere,inner circle,excircle all can be processed ... be used in parallel lathe,vertical lathe,grinding machine,boring lathe,facing machine,spherical lathe Improve the metal surface roughness, ...