Brown Fused Alumina, Abrasive Wheels, Resin Grinding Wheels manufacturer / supplier in China, offering Coarse Grinding of Low-Cost Cast Iron Parts with Black Corundum Abrasive, Particle Size Self-Sharpening and Polishing of White Corundum, Brown Corundum Sandblasting Material Is Wear-Resistant and Capable of Strong Cutting and so on.