... 3,Use rotary scew vane to push materials continuously Features and Merits: 1,Obtained ISO9001 International Quality Management System Certification ... ,flexible technological arrangement. 5,Easy to be installed,dismantled and moved,safe operation. 6,Transport various kinds of loose ... ,grain,small piece of coal,cobble and cast iron filings,etc. 7,Have horizontal,inclined and combined form 8, Be suitable ...