Silicon Carbide, Boron Carbide, Silicon Carbide Wafer manufacturer / supplier in China, offering 98% Sic % Carborundum Grain 85% Sic Grit 0-1mm / 1-3mm / 0-10mm / 0- 50mm, Supply B4c Boron Carbide Granular Powder for Ceramic Castings, 88% High Quality Polishing Abrasive Silicon Carbide Powder and so on.