Grinding wheel /grinding stone Abrasive:A ,WA,PA,,GC Grit NO.: ... formulation,manufacturing well- made with good wear resistance,grinding power.Installed in the mill,such as electric power ... kok ,groove ,globoidal,cone,such as special surface grinding cutting ,repaire.but also a varity of metal materials ... ,chamfering,precious stones ,jade processing abrasive polishing. Grinding stone /grinding wheel