Brown Fused Alumina, Abrasive Wheels, Resin Grinding Wheels manufacturer / supplier in China, offering High-Hardness Black Silicon Carbide, Powerful Grinding, High-Efficiency Sandblasting, Brown Corundum: High Strength, High Temperature Resistance, Essential Abrasive for Casting Sandblasting, China Manufacturer Supply Bfa 60# for Sandblasting Polishing and so on.