... slag,food cow dung dryer machine COW DUNG DRYER MACHINE INDRODUCTION:The dryer machine mainly consists of revolving part ... popular in metallurgy, mine, chemistry, coal and building materials industries due to their excellent performance, high ... convenient maintenance.TECHNICALS:PICTURES SHOWS:Zhengzhou Keheng Industrial Machinery Co.,LTDZhangzhai, Miaowang Village, Zhongyuan Zone, Zhengzhou City, ...