Brown Fused Alumina, Abrasive Wheels, Resin Grinding Wheels manufacturer / supplier in China, offering Brown Fused Alumina, Highly Efficient Grinding and Polishing, Brown Corundum: High Strength, High Temperature Resistance, Essential Abrasive for Casting Sandblasting, High-Temperature Corrosion-Resistant Pink-Ruby Fused Aluminum Oxide Abrasive and so on.