fused mullite is made from pure quartz and industrial alumina in super-large electric arc furnace. it has a high content of mullite crystals which has a lot of advantages such as high melting point, excellent thermal stability, low reversible thermal expansion and resistance to thermal shock and chemical corrosion at high temperature. it is widely used as lining brick glass body kiln and large hot wind furnace in iron-making blast furnace, as well as in ceramic kiln, petroleum and chemistry. henan ruishi special refractory co. ltd is established according to the modern management in 1993. as one of the main manufacturers and exporters for abrasive, refractory materials and metallurgy industry in china. we have six plants (one fused plant, three processing factories, one special refractory material plant,one metallurgy material plant,one acid washing and water washing plant, and sales department ).we can produce 80,000 tons annually. our products include brown fused alumina95%, brown fused alumina98%,white fused alumina, black fused alumina, compact fused alumina, semi-friable fused alumina, micro crystalline fused alumina, calcium aluminate etc. we have passed iso9001-2000 quality management system certificate. we have first-class service and strict control about company & quality. so if your are interested in our products, don't hesitate to contact us melodyyang at hotmail dot com.hope we can establish stable long terms business relationship with each other. sales manager: melody yang tel:86-379-65285886-804 mobile phone:13849906514 fax:86-379-65285889 http://www.ycrs.com.cn