... income, Small investment With ISO 9001 Application of Cement Rotary Kiln:Rotary kiln is mainly used for metallurgy, building materials, ... calcining. Such as ceramic sand, bauxite, limestone, cement, fly ash magnesium aluminum hydroxide, aluminum products, alumina ... The working principle and characteristics of Cement Rotary Kiln:I produced a rotary kiln system and equipment through technology innovation, ...