... .competitive price rotary klin 2.Simple structure & strong construction 3.Easy operatioion IntroductionThe rotary kiln is widely used in the ... copper, zinc, stannum, nickel, wolfram, chromium, etc., the rotary kiln can be used to sinter and roast ore, concentrate ... structure, reliable performance;4. Easy operation.Working PrincipleThe rotary kiln can be divided into cement kiln, metallurgy chemical ...