... high quality 1,Manufacturer 2,High purity of SiC Refractory , polishing ,abrasives material ,green silicon carbide with high quality1,Manufacturer 2,High ... dry blasting,superprecision grinding and polishing,making high quality refactory materials,grinding carbon steel,alloy steel ... material green silicon carbide: Refractory , polishing ,abrasives material ,green silicon carbide with high quality