Located in Luoyang, Yannuo as a direct producer and trader, mainly focuses on researching, developing, producing and supplying of corundum abrasives for more that 20 years. We have advanced technology, abundant experience and professional teams in smelting, sieving and producing. Now we are equiped with 3 smelting machine, 5 deep processing lines and 150 employees. Our annual output has reached over 40,000 tons. Our main products include Brown Fused Alumina, Sub-white Fused Alumina, White Fused Alumina, Silicon Carbide and Calcined Corundum for industries in coated &bonded abrasives, refractory foundries, polishing and sandblasting and many more.