competitive price with high quality all kinds of oil stone Material:ALUMINA,CARBIDE,CORUNDUM Commodity:oil stoneProducting area:linyi fuyu metal products co.,ltd,Shandong ,chinaSpecifications:Technical standards:size:1/2"-6"Material:ALUMINA,CARBIDE,CORUNDUMPacking:AS YOUR requirementwe are the professinal manufacturer of china,we could offer a competitive price and high quality,satisfying what ...