... ,slag,food cow dung dryer machine COW DUNG DRYER MACHINE INDRODUCTION:The dryer machine mainly consists of revolving part, ... and re-using the waste.COW DUNG DRYER MACHINE ADVANTAGES:1. Through technological innovation, our rotary ... productivity and convenient maintenance.TECHNICALS:PICTURES SHOWS:Zhengzhou Keheng Industrial Machinery Co.,LTDZhangzhai, Miaowang Village, Zhongyuan Zone, Zhengzhou City, ...