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, zirconia fued alumina, calcium aluminate etc. we have passed iso9001-2000 quality management system certificate. zirconia fused alumina of is produced by putting rich aluminum, zirconium materials and additives in electric arc furnaces, smelting with high temperature above 2000¡æ, cooling down with special technology, and compacting with barmac plastic, which has the characteristics of tenacious texture, dense sturcture and high strength. this product is a kind of senior abrasive it takes the advantages of high strength, high toughness, high temperature resistance, which can manufacture heavy-duty wheel with high performance, and has achieved very good results in grinding steel, cast iron, heat-resistant steel, titanium alloys, nickel alloys, aluminum alloys and tungsten alloy. specification: chemical composition(%) al203 zr02 ti02 si02 za40 50¡ª60 38¡ª44 1.0 max 0.5max za25 68¡ª72 24¡ª30 1.0 max 0.5max if you have any requirement, please don't hesitate to inform us. duzude521@rs-abrasive.com. hope we can establish stalbe long terms business relationship with each other. sales manager: du zu de tel:86-379-65285886-805 mobile phone:13383884596 fax:86-379-65285889 http://www.ycrs.com.cn