1, ISO and CEO certifacate. 2,High quality ,best parts from taiwan. 3,High precision 4, ... main specification paremeters processing precision model M7125/M7125YDparallelism of surface ground with the datum surfacemm300:0.005mmsurface roughnessuRa:0.64uTechnical specifications worktable ... needle guide,Accuracy stable,two guides plastic stick short taiwan surface grinder horizontal spindle