Ascent Sun Refractories and Abrasives Co.,Ltd(Former name is Luoyang Tongkai Refractory Materials Co,.Ltd) locates in Luoyang with total area 132000M2. Now, We have 4 electric arc-furnaces and three kinds of production lines to produce Brown fused alumina, White fused alumina, Pink fused alumina, Monocrystalline aluminum, Black fused alumina, Zirconia aluminum, Black silicon carbide, Green silicon carbide, calcium alumina and refractory materials etc. The total annual output is more than 50000MTS. It's brand "Ascent Sun" has become one of the famous brands on Chinese Abrasives and Refractory Industry. The company has its own laboratory, sales and exports net, is managed strictly as per ISO9000 Quality System "High Quality and Reputation" has been our basic measurement, and "First products and Service" are our the highest target. Just because of these, We have successfully established business relation with many companies around the world. Sincerely Welcome customers from