green silicon carbide abrasive grinding wheel 1,professional manufacturer 2,advanced production equipment 3,competitive price Abrasive bonded grinding wheelsThe boned abrasive grinding wheels can be made with ... Acetate ,etc..Grit size: 24-3000#,Hardness: a-zUsage: Cutting , grinding , sanding, slot, sharpening, grooving, polishing ,etc..We are the professional manufacturer of ...