Brown Fused Alumina/ Black Fused Alumina/ Silicon Carbide Abrasive/ Refractory Material, Abrasive Refractory Materials and Supplier China - Factory Quotation - Luoyang Yannuo. China 20 years experienced Fused Alumina producer! Excellent quality and competitive prices can ensure clients needs in coated &bonded abrasives, refractory foundries, polishing and sandblasting. Contact our manufacturer and supplier in China for more details.