We are Zhong Ao based in Lianyungang, China. We are member of TradeKey.com since November, 2011. Our business is related to Minerals & Metallurgy industry and we specifically deal in alumina powder,high purity alumina powder, calcined alumina powder. Please find our product details below:calcined alumina powderHigh Purity Alumina PowderMin Conversion Rate:93% ; Gentle Chemical Activity Microcrystal GranuleResist PermeabilityThank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.