... 2.low consumption 3.professional 4.ISO,CE,OEM high efficiency ISO9001:2000 calcination waelz kiln Yunnan Kun-ding Machinery Equipment ... crusher, ball mill, magnetic separator, flotation machine, rotary kiln and sandstone production equipment such as vibrating screen, sand making ... ,Oxidizing roasting and reduction in rotary kiln; 3,Slag cooling and iron slag separation; 4,Flue gas cooling; 5,Bag type ...